Add drawImage() originClean() getSecurityOrigin() to OffscreenCanvas

third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef OffscreenCanvas_h
 #define OffscreenCanvas_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
@@ skipping 25 matching lines @@
     IntSize size() const { return m_size; }
     void setAssociatedCanvasId(int canvasId) { m_canvasId = canvasId; }
     int getAssociatedCanvasId() const { return m_canvasId; }
     bool isNeutered() const { return m_isNeutered; }
     void setNeutered();
     CanvasRenderingContext* getCanvasRenderingContext(ScriptState*, const String&, const CanvasContextCreationAttributes&);
     CanvasRenderingContext* renderingContext() { return m_context; }
 
     static void registerRenderingContextFactory(PassOwnPtr<CanvasRenderingContextFactory>);
 
+    SecurityOrigin* getSecurityOrigin(ScriptState*) const;
+    bool originClean() const;
+    void setOriginTainted() { m_originClean = false; }
+
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit OffscreenCanvas(const IntSize&);
 
     using ContextFactoryVector = Vector<OwnPtr<CanvasRenderingContextFactory>>;
     static ContextFactoryVector& renderingContextFactories();
     static CanvasRenderingContextFactory* getRenderingContextFactory(int);
 
     Member<CanvasRenderingContext> m_context;
     int m_canvasId = -1; // DOMNodeIds starts from 0, using -1 to indicate no associated canvas element.
     IntSize m_size;
     bool m_isNeutered = false;
+
+    bool m_originClean;
 };
 
 } // namespace blink
 
 #endif // OffscreenCanvas_h