test_utils.cc revision 9ab5563a3196760eb381d102cbb2bc0f7abc6a50
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/test/test_utils.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/run_loop.h" 10868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/values.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_view_host.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/test/test_launcher.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Number of times to repost a Quit task so that the MessageLoop finishes up 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// pending tasks and tasks posted by those pending tasks without risking the 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// potential hang behavior of MessageLoop::QuitWhenIdle. 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The criteria for choosing this number: it should be high enough to make the 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// quit act like QuitWhenIdle, while taking into account that any page which is 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// animating may be rendering another frame for each quit deferral. For an 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// animating page, the potential delay to quitting the RunLoop would be 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// kNumQuitDeferrals * frame_render_time. Some perf tests run slow, such as 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 200ms/frame. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const int kNumQuitDeferrals = 10; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void DeferredQuitRunLoop(const base::Closure& quit_task, 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_quit_deferrals) { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (num_quit_deferrals <= 0) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) quit_task.Run(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FROM_HERE, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&DeferredQuitRunLoop, quit_task, num_quit_deferrals - 1)); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RunAllPendingMessageAndSendQuit(BrowserThread::ID thread_id, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::Closure& quit_task) { 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunAllPendingInMessageLoop(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask(thread_id, FROM_HERE, quit_task); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Class used handle result callbacks for ExecuteScriptAndGetValue. 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class ScriptCallback { 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScriptCallback() { } 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~ScriptCallback() { } 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void ResultCallback(const base::Value* result); 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::Value> result() { return result_.Pass(); } 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::Value> result_; 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ScriptCallback); 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScriptCallback::ResultCallback(const base::Value* result) { 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (result) 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result_.reset(result->DeepCopy()); 67c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->Quit(); 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RunMessageLoop() { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::RunLoop run_loop; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThisRunLoop(&run_loop); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RunThisRunLoop(base::RunLoop* run_loop) { 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::ScopedNestableTaskAllower allow( 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // If we're running inside a browser test, we might need to allow the test 827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // launcher to do extra work before/after running a nested message loop. 837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) TestLauncherDelegate* delegate = NULL; 847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#if !defined(OS_IOS) 857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) delegate = GetCurrentTestLauncherDelegate(); 867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#endif 877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (delegate) 887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) delegate->PreRunMessageLoop(run_loop); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) run_loop->Run(); 907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (delegate) 917d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) delegate->PostRunMessageLoop(); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RunAllPendingInMessageLoop() { 95c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunMessageLoop(); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RunAllPendingInMessageLoop(BrowserThread::ID thread_id) { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserThread::CurrentlyOn(thread_id)) { 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunAllPendingInMessageLoop(); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::ID current_thread_id; 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!BrowserThread::GetCurrentThreadIdentifier(¤t_thread_id)) { 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::RunLoop run_loop; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask(thread_id, FROM_HERE, 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&RunAllPendingMessageAndSendQuit, current_thread_id, 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) run_loop.QuitClosure())); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThisRunLoop(&run_loop); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Closure GetQuitTaskForRunLoop(base::RunLoop* run_loop) { 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::Bind(&DeferredQuitRunLoop, run_loop->QuitClosure(), 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kNumQuitDeferrals); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<base::Value> ExecuteScriptAndGetValue( 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderViewHost* render_view_host, 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const std::string& script) { 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScriptCallback observer; 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_view_host->ExecuteJavascriptInWebFrameCallbackResult( 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) string16(), // frame_xpath, 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UTF8ToUTF16(script), 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Bind(&ScriptCallback::ResultCallback, base::Unretained(&observer))); 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop* loop = base::MessageLoop::current(); 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) loop->Run(); 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return observer.result().Pass(); 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)MessageLoopRunner::MessageLoopRunner() 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : loop_running_(false), 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quit_closure_called_(false) { 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MessageLoopRunner::~MessageLoopRunner() { 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MessageLoopRunner::Run() { 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Do not run the message loop if our quit closure has already been called. 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // This helps in scenarios where the closure has a chance to run before 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we Run explicitly. 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (quit_closure_called_) 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) loop_running_ = true; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThisRunLoop(&run_loop_); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Closure MessageLoopRunner::QuitClosure() { 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::Bind(&MessageLoopRunner::Quit, this); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MessageLoopRunner::Quit() { 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quit_closure_called_ = true; 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Only run the quit task if we are running the message loop. 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (loop_running_) { 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GetQuitTaskForRunLoop(&run_loop_).Run(); 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) loop_running_ = false; 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WindowedNotificationObserver::WindowedNotificationObserver( 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int notification_type, 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NotificationSource& source) 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : seen_(false), 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) running_(false), 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source_(NotificationService::AllSources()) { 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) registrar_.Add(this, notification_type, source); 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1797d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)WindowedNotificationObserver::WindowedNotificationObserver( 1807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) int notification_type, 1817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const ConditionTestCallback& callback) 1827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) : seen_(false), 1837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) running_(false), 1847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) callback_(callback), 1857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) source_(NotificationService::AllSources()) { 1867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) registrar_.Add(this, notification_type, source_); 1877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)} 1887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WindowedNotificationObserver::~WindowedNotificationObserver() {} 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void WindowedNotificationObserver::Wait() { 192eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (seen_) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) running_ = true; 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message_loop_runner_ = new MessageLoopRunner; 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message_loop_runner_->Run(); 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(seen_); 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void WindowedNotificationObserver::Observe( 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int type, 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NotificationSource& source, 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NotificationDetails& details) { 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source_ = source; 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details_ = details; 207eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (!callback_.is_null() && !callback_.Run()) 208eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return; 209eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) seen_ = true; 211eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (!running_) 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message_loop_runner_->Quit(); 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) running_ = false; 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 219