replace OVERRIDE and FINAL with override and final in cc/

cc/resources/gpu_raster_worker_pool.cc

Index: cc/resources/gpu_raster_worker_pool.cc
diff --git a/cc/resources/gpu_raster_worker_pool.cc b/cc/resources/gpu_raster_worker_pool.cc
index cee01fed1ae8e3c056595e7df6476a29d0538026..0463cff89a31aa5471a137fe8f8a5d11c272e0ef 100644
--- a/cc/resources/gpu_raster_worker_pool.cc
+++ b/cc/resources/gpu_raster_worker_pool.cc
@@ -36,7 +36,7 @@ class RasterBufferImpl : public RasterBuffer {
   }
 
   // Overridden from RasterBuffer:
-  virtual skia::RefPtr<SkCanvas> AcquireSkCanvas() OVERRIDE {
+  virtual skia::RefPtr<SkCanvas> AcquireSkCanvas() override {
     if (!surface_)
       return skia::AdoptRef(SkCreateNullCanvas());
 
@@ -48,7 +48,7 @@ class RasterBufferImpl : public RasterBuffer {
     canvas->save();
     return canvas;
   }
-  virtual void ReleaseSkCanvas(const skia::RefPtr<SkCanvas>& canvas) OVERRIDE {
+  virtual void ReleaseSkCanvas(const skia::RefPtr<SkCanvas>& canvas) override {
     if (!surface_)
       return;