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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 #include "components/zoom/zoom_event_manager.h" | 5 #include "components/zoom/zoom_event_manager.h" |
6 | 6 |
| 7 #include "base/memory/ptr_util.h" |
7 #include "components/zoom/zoom_event_manager_observer.h" | 8 #include "components/zoom/zoom_event_manager_observer.h" |
8 #include "content/public/browser/browser_context.h" | 9 #include "content/public/browser/browser_context.h" |
9 | 10 |
10 namespace { | 11 namespace { |
11 static const char kBrowserZoomEventManager[] = "browser_zoom_event_manager"; | 12 static const char kBrowserZoomEventManager[] = "browser_zoom_event_manager"; |
12 } | 13 } |
13 | 14 |
14 namespace zoom { | 15 namespace zoom { |
15 | 16 |
16 ZoomEventManager* ZoomEventManager::GetForBrowserContext( | 17 ZoomEventManager* ZoomEventManager::GetForBrowserContext( |
17 content::BrowserContext* context) { | 18 content::BrowserContext* context) { |
18 if (!context->GetUserData(kBrowserZoomEventManager)) | 19 if (!context->GetUserData(kBrowserZoomEventManager)) { |
19 context->SetUserData(kBrowserZoomEventManager, new ZoomEventManager); | 20 context->SetUserData(kBrowserZoomEventManager, |
| 21 base::MakeUnique<ZoomEventManager>()); |
| 22 } |
20 return static_cast<ZoomEventManager*>( | 23 return static_cast<ZoomEventManager*>( |
21 context->GetUserData(kBrowserZoomEventManager)); | 24 context->GetUserData(kBrowserZoomEventManager)); |
22 } | 25 } |
23 | 26 |
24 ZoomEventManager::ZoomEventManager() : weak_ptr_factory_(this) {} | 27 ZoomEventManager::ZoomEventManager() : weak_ptr_factory_(this) {} |
25 | 28 |
26 ZoomEventManager::~ZoomEventManager() {} | 29 ZoomEventManager::~ZoomEventManager() {} |
27 | 30 |
28 void ZoomEventManager::OnZoomLevelChanged( | 31 void ZoomEventManager::OnZoomLevelChanged( |
29 const content::HostZoomMap::ZoomLevelChange& change) { | 32 const content::HostZoomMap::ZoomLevelChange& change) { |
(...skipping 15 matching lines...) Expand all Loading... |
45 ZoomEventManagerObserver* observer) { | 48 ZoomEventManagerObserver* observer) { |
46 observers_.AddObserver(observer); | 49 observers_.AddObserver(observer); |
47 } | 50 } |
48 | 51 |
49 void ZoomEventManager::RemoveZoomEventManagerObserver( | 52 void ZoomEventManager::RemoveZoomEventManagerObserver( |
50 ZoomEventManagerObserver* observer) { | 53 ZoomEventManagerObserver* observer) { |
51 observers_.RemoveObserver(observer); | 54 observers_.RemoveObserver(observer); |
52 } | 55 } |
53 | 56 |
54 } // namespace zoom | 57 } // namespace zoom |
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