Replace OVERRIDE with its C++11 counterparts in src/skia

skia/ext/bitmap_platform_device_cairo.h

Index: skia/ext/bitmap_platform_device_cairo.h
diff --git a/skia/ext/bitmap_platform_device_cairo.h b/skia/ext/bitmap_platform_device_cairo.h
index 6952e9a6bf4173434ee12692dfa187820b7ad4fe..29321110b84891ea6561f53c02df8e4a018de2b1 100644
--- a/skia/ext/bitmap_platform_device_cairo.h
+++ b/skia/ext/bitmap_platform_device_cairo.h
@@ -85,16 +85,16 @@ class BitmapPlatformDevice : public SkBitmapDevice, public PlatformDevice {
 
   // Overridden from SkBaseDevice:
   virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region,
-                             const SkClipStack&) OVERRIDE;
+                             const SkClipStack&) override;
 
   // Overridden from PlatformDevice:
-  virtual cairo_t* BeginPlatformPaint() OVERRIDE;
+  virtual cairo_t* BeginPlatformPaint() override;
   virtual void DrawToNativeContext(PlatformSurface surface, int x, int y,
-                                   const PlatformRect* src_rect) OVERRIDE;
+                                   const PlatformRect* src_rect) override;
 
  protected:
   virtual SkBaseDevice* onCreateDevice(const SkImageInfo& info,
-                                       Usage usage) OVERRIDE;
+                                       Usage usage) override;
 
  private:
   static BitmapPlatformDevice* Create(int width, int height, bool is_opaque,