Update {virtual,override,final} to follow C++11 style.

content/browser/android/in_process/synchronous_compositor_output_surface.cc

Index: content/browser/android/in_process/synchronous_compositor_output_surface.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.cc b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
index 5ccc91b748e091671a167731d4adc8f238c24c65..149e1ea81c393654cb2c0831bd3869011e4aa362 100644
--- a/content/browser/android/in_process/synchronous_compositor_output_surface.cc
+++ b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
@@ -38,11 +38,10 @@ class SynchronousCompositorOutputSurface::SoftwareDevice
   SoftwareDevice(SynchronousCompositorOutputSurface* surface)
     : surface_(surface) {
   }
-  virtual void Resize(const gfx::Size& pixel_size,
-                      float scale_factor) override {
+  void Resize(const gfx::Size& pixel_size, float scale_factor) override {
     // Intentional no-op: canvas size is controlled by the embedder.
   }
-  virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override {
+  SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override {
     if (!surface_->current_sw_canvas_) {
       NOTREACHED() << "BeginPaint with no canvas set";
       return &null_canvas_;
@@ -51,9 +50,8 @@ class SynchronousCompositorOutputSurface::SoftwareDevice
         << "Mutliple calls to BeginPaint per frame";
     return surface_->current_sw_canvas_;
   }
-  virtual void EndPaint(cc::SoftwareFrameData* frame_data) override {
-  }
-  virtual void CopyToPixels(const gfx::Rect& rect, void* pixels) override {
+  void EndPaint(cc::SoftwareFrameData* frame_data) override {}
+  void CopyToPixels(const gfx::Rect& rect, void* pixels) override {
     NOTIMPLEMENTED();
   }