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Side by Side Diff: content/public/renderer/render_view_observer_tracker.h

Issue 10696166: Remove #pragma once from content (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 5 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Helper class used to find the RenderViewObservers for a given RenderView. 5 // Helper class used to find the RenderViewObservers for a given RenderView.
6 // 6 //
7 // Example usage: 7 // Example usage:
8 // 8 //
9 // class MyRVO : public RenderViewObserver, 9 // class MyRVO : public RenderViewObserver,
10 // public RenderViewObserverTracker<MyRVO> { 10 // public RenderViewObserverTracker<MyRVO> {
11 // ... 11 // ...
12 // }; 12 // };
13 // 13 //
14 // MyRVO::MyRVO(RenderView* render_view) 14 // MyRVO::MyRVO(RenderView* render_view)
15 // : RenderViewObserver(render_view), 15 // : RenderViewObserver(render_view),
16 // RenderViewObserverTracker<MyRVO>(render_view) { 16 // RenderViewObserverTracker<MyRVO>(render_view) {
17 // ... 17 // ...
18 // } 18 // }
19 // 19 //
20 // void SomeFunction(RenderView* rv) { 20 // void SomeFunction(RenderView* rv) {
21 // MyRVO* my_rvo = new MyRVO(rv); 21 // MyRVO* my_rvo = new MyRVO(rv);
22 // MyRVO* my_rvo_tracked = MyRVO::Get(rv); 22 // MyRVO* my_rvo_tracked = MyRVO::Get(rv);
23 // // my_rvo == my_rvo_tracked 23 // // my_rvo == my_rvo_tracked
24 // } 24 // }
25 25
26 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_ 26 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_
27 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_ 27 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_
28 #pragma once
29 28
30 #include <map> 29 #include <map>
31 30
32 #include "base/lazy_instance.h" 31 #include "base/lazy_instance.h"
33 32
34 namespace content { 33 namespace content {
35 34
36 class RenderView; 35 class RenderView;
37 36
38 template <class T> 37 template <class T>
(...skipping 20 matching lines...) Expand all
59 DISALLOW_COPY_AND_ASSIGN(RenderViewObserverTracker<T>); 58 DISALLOW_COPY_AND_ASSIGN(RenderViewObserverTracker<T>);
60 }; 59 };
61 60
62 template <class T> 61 template <class T>
63 base::LazyInstance<std::map<const RenderView*, T*> > 62 base::LazyInstance<std::map<const RenderView*, T*> >
64 RenderViewObserverTracker<T>::render_view_map_ = LAZY_INSTANCE_INITIALIZER; 63 RenderViewObserverTracker<T>::render_view_map_ = LAZY_INSTANCE_INITIALIZER;
65 64
66 } // namespace content 65 } // namespace content
67 66
68 #endif // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_ 67 #endif // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_TRACKER_H_
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