1 files changed, 6 insertions, 3 deletions
diff --git a/chromium/third_party/WebKit/Source/platform/graphics/Canvas2DImageBufferSurface.h b/chromium/third_party/WebKit/Source/platform/graphics/Canvas2DImageBufferSurface.h
index e14bb5d9424..b56f1ec89b9 100644
--- a/chromium/third_party/WebKit/Source/platform/graphics/Canvas2DImageBufferSurface.h
+++ b/chromium/third_party/WebKit/Source/platform/graphics/Canvas2DImageBufferSurface.h
@@ -37,7 +37,7 @@
 namespace WebCore {
 
 // This shim necessary because ImageBufferSurfaces are not allowed to be RefCounted
-class Canvas2DImageBufferSurface : public ImageBufferSurface {
+class Canvas2DImageBufferSurface FINAL : public ImageBufferSurface {
 public:
     Canvas2DImageBufferSurface(const IntSize& size, OpacityMode opacityMode = NonOpaque, int msaaSampleCount = 1)
         : ImageBufferSurface(size, opacityMode)
@@ -55,10 +55,13 @@ public:
     // ImageBufferSurface implementation
     virtual void willUse() OVERRIDE { m_layerBridge->willUse(); }
     virtual SkCanvas* canvas() const OVERRIDE { return m_layerBridge->canvas(); }
-    virtual bool isValid() const OVERRIDE { return m_layerBridge && m_layerBridge->isValid(); }
+    virtual bool isValid() const OVERRIDE { return m_layerBridge && m_layerBridge->checkSurfaceValid(); }
+    virtual bool restore() OVERRIDE { return m_layerBridge->restoreSurface(); }
     virtual blink::WebLayer* layer() const OVERRIDE { return m_layerBridge->layer(); }
     virtual Platform3DObject getBackingTexture() const OVERRIDE { return m_layerBridge->getBackingTexture(); }
-    virtual bool isAccelerated() const { return m_layerBridge->isAccelerated(); }
+    virtual bool isAccelerated() const OVERRIDE { return m_layerBridge->isAccelerated(); }
+    virtual void setIsHidden(bool hidden) OVERRIDE { m_layerBridge->setIsHidden(hidden); }
+    virtual void setImageBuffer(ImageBuffer* imageBuffer) OVERRIDE { m_layerBridge->setImageBuffer(imageBuffer); }
 
 private:
     RefPtr<Canvas2DLayerBridge> m_layerBridge;