Upstream version 11.40.271.0
[platform/framework/web/crosswalk.git] / src / content / shell / renderer / layout_test / leak_detector.h
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
12 namespace blink {
13 class WebLocalFrame;
14 }  // namespace blink
15
16 namespace content {
17
18 class WebKitTestRunner;
19
20 // LeakDetector counts DOM objects and compare them between two pages.
21 class 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_