Add rendering context and rendering 2D context to OffscreenCanvas

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CanvasRenderingContext_h
 #define CanvasRenderingContext_h
 
 #include "core/CoreExport.h"
 #include "core/html/HTMLCanvasElement.h"
-#include "platform/heap/Handle.h"
 #include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/StringHash.h"
 
 class SkCanvas;
 
 namespace blink { class WebLayer; }
 
 namespace blink {
 
 class CanvasImageSource;
 class HTMLCanvasElement;
 class ImageData;
 
 class CORE_EXPORT CanvasRenderingContext : public NoBaseWillBeGarbageCollectedFinalized<CanvasRenderingContext>, public ScriptWrappable {
-    WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
-    USING_FAST_MALLOC_WILL_BE_REMOVED(CanvasRenderingContext);
+WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
+USING_FAST_MALLOC_WILL_BE_REMOVED(CanvasRenderingContext);
 public:
     virtual ~CanvasRenderingContext() { }
 
     // A Canvas can either be "2D" or "webgl" but never both. If you request a 2D canvas and the existing
     // context is already 2D, just return that. If the existing context is WebGL, then destroy it
     // before creating a new 2D context. Vice versa when requesting a WebGL canvas. Requesting a
     // context with any other type string will destroy any existing context.
     enum ContextType {
         // Do not change assigned numbers of existing items: add new features to the end of the list.
         Context2d = 0,
@@ skipping 60 matching lines @@
 
     // ImageBitmap-specific interface
     virtual bool paint(GraphicsContext&, const IntRect&) { return false; }
 
     bool wouldTaintOrigin(CanvasImageSource*);
     void didMoveToNewDocument(Document*);
 
 protected:
     CanvasRenderingContext(HTMLCanvasElement*);
     DECLARE_VIRTUAL_TRACE();
-
     virtual void stop() = 0;
 
 private:
     RawPtrWillBeMember<HTMLCanvasElement> m_canvas;
     HashSet<String> m_cleanURLs;
     HashSet<String> m_dirtyURLs;
 };
 
 } // namespace blink
 
 #endif