1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CONTENT_SHELL_RENDERER_LEAK_DETECTOR_H_ 6#define CONTENT_SHELL_RENDERER_LEAK_DETECTOR_H_ 7 8#include "base/basictypes.h" 9#include "content/shell/common/leak_detection_result.h" 10#include "third_party/WebKit/public/web/WebLeakDetector.h" 11 12namespace blink { 13class WebLocalFrame; 14} // namespace blink 15 16namespace content { 17 18class WebKitTestRunner; 19 20// LeakDetector counts DOM objects and compare them between two pages. 21class LeakDetector : public blink::WebLeakDetectorClient { 22 public: 23 explicit LeakDetector(WebKitTestRunner* test_runner); 24 virtual ~LeakDetector(); 25 26 // Counts DOM objects, compare the previous status and returns the result of 27 // leak detection. It is assumed that this method is always called when a 28 // specific page, like about:blank is loaded to compare the previous 29 // circumstance of DOM objects. If the number of objects increses, there 30 // should be a leak. 31 void TryLeakDetection(blink::WebLocalFrame* frame); 32 33 // WebLeakDetectorClient: 34 virtual void onLeakDetectionComplete(const Result& result) OVERRIDE; 35 36 private: 37 WebKitTestRunner* test_runner_; 38 scoped_ptr<blink::WebLeakDetector> web_leak_detector_; 39 blink::WebLeakDetectorClient::Result previous_result_; 40 41 DISALLOW_COPY_AND_ASSIGN(LeakDetector); 42}; 43 44} // namespace content 45 46#endif // CONTENT_SHELL_RENDERER_LEAK_DETECTOR_H_ 47