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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 #ifndef HTMLCanvasElementModule_h | 5 #ifndef HTMLCanvasElementModule_h | 
| 6 #define HTMLCanvasElementModule_h | 6 #define HTMLCanvasElementModule_h | 
| 7 | 7 | 
| 8 #include "core/html/HTMLCanvasElement.h" | 8 #include "core/html/HTMLCanvasElement.h" | 
| 9 #include "modules/ModulesExport.h" | 9 #include "modules/ModulesExport.h" | 
| 10 #include "wtf/text/WTFString.h" | 10 #include "wtf/text/WTFString.h" | 
| 11 | 11 | 
| 12 namespace blink { | 12 namespace blink { | 
| 13 | 13 | 
| 14 class CanvasContextCreationAttributes; | 14 class CanvasContextCreationAttributes; | 
| 15 class HTMLCanvasElement; | 15 class HTMLCanvasElement; | 
| 16 class ScriptState; | 16 class ScriptState; | 
| 17 class OffscreenCanvas; | 17 class OffscreenCanvas; | 
| 18 | 18 | 
| 19 class MODULES_EXPORT HTMLCanvasElementModule { | 19 class MODULES_EXPORT HTMLCanvasElementModule { | 
| 20     STATIC_ONLY(HTMLCanvasElementModule); | 20     STATIC_ONLY(HTMLCanvasElementModule); | 
|  | 21 | 
|  | 22     friend class HTMLCanvasElementModuleTest; | 
|  | 23 | 
| 21 public: | 24 public: | 
| 22     static void getContext(HTMLCanvasElement&, const String&, const CanvasContex
    tCreationAttributes&, RenderingContext&); | 25     static void getContext(HTMLCanvasElement&, const String&, const CanvasContex
    tCreationAttributes&, RenderingContext&); | 
| 23     static OffscreenCanvas* transferControlToOffscreen(HTMLCanvasElement&, Excep
    tionState&); | 26     static OffscreenCanvas* transferControlToOffscreen(HTMLCanvasElement&, Excep
    tionState&); | 
|  | 27 | 
|  | 28 private: | 
|  | 29     static OffscreenCanvas* transferControlToOffscreenInternal(HTMLCanvasElement
    &, ExceptionState&); | 
| 24 }; | 30 }; | 
| 25 | 31 | 
| 26 } | 32 } | 
| 27 | 33 | 
| 28 #endif | 34 #endif | 
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