Replacing the OVERRIDE with override in third_party/WebKit/Source/platform

Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h

Index: Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h
diff --git a/Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h b/Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h
index 747d2f32a929f69241bab3f6d5af4b581d3f1940..4d402f385360ed4e63f5a51971f50b2b2da2fee3 100644
--- a/Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h
+++ b/Source/platform/graphics/gpu/AcceleratedImageBufferSurface.h
@@ -44,10 +44,10 @@ public:
     AcceleratedImageBufferSurface(const IntSize&, OpacityMode = NonOpaque, int msaaSampleCount = 0);
     virtual ~AcceleratedImageBufferSurface() { }
 
-    virtual SkCanvas* canvas() const OVERRIDE { return m_surface ? m_surface->getCanvas() : 0; }
-    virtual bool isValid() const OVERRIDE { return m_surface; }
-    virtual bool isAccelerated() const OVERRIDE { return true; }
-    virtual Platform3DObject getBackingTexture() const OVERRIDE;
+    virtual SkCanvas* canvas() const override { return m_surface ? m_surface->getCanvas() : 0; }
+    virtual bool isValid() const override { return m_surface; }
+    virtual bool isAccelerated() const override { return true; }
+    virtual Platform3DObject getBackingTexture() const override;
 
 private:
     OwnPtr<SkSurface> m_surface;