replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/extensions/wallpaper_function_base.cc

Index: chrome/browser/chromeos/extensions/wallpaper_function_base.cc
diff --git a/chrome/browser/chromeos/extensions/wallpaper_function_base.cc b/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
index 6e89013d2c9210877ffc3f8cc5c7a66b7ca0d21d..1e100c90dc595aac79d27f5da6d518b203e6a063 100644
--- a/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
+++ b/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
@@ -68,7 +68,7 @@ class WallpaperFunctionBase::UnsafeWallpaperDecoder
   }
 
   virtual void OnImageDecoded(const ImageDecoder* decoder,
-                              const SkBitmap& decoded_image) OVERRIDE {
+                              const SkBitmap& decoded_image) override {
     // Make the SkBitmap immutable as we won't modify it. This is important
     // because otherwise it gets duplicated during painting, wasting memory.
     SkBitmap immutable(decoded_image);
@@ -84,7 +84,7 @@ class WallpaperFunctionBase::UnsafeWallpaperDecoder
     delete this;
   }
 
-  virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE {
+  virtual void OnDecodeImageFailed(const ImageDecoder* decoder) override {
     function_->OnFailure(
         l10n_util::GetStringUTF8(IDS_WALLPAPER_MANAGER_INVALID_WALLPAPER));
     delete this;