Add OVERRIDE to chrome/common/ and nacl/.

chrome/common/extensions/extension_localization_peer.h

Index: chrome/common/extensions/extension_localization_peer.h
diff --git a/chrome/common/extensions/extension_localization_peer.h b/chrome/common/extensions/extension_localization_peer.h
index 0a33bc9cd95794aec2ef1fef19ff71221d6de349..1f8877566e30531e4d35089a6ebfcb6b836c2a4a 100644
--- a/chrome/common/extensions/extension_localization_peer.h
+++ b/chrome/common/extensions/extension_localization_peer.h
@@ -30,21 +30,21 @@ class ExtensionLocalizationPeer
       const GURL& request_url);
 
   // ResourceLoaderBridge::Peer methods.
-  virtual void OnUploadProgress(uint64 position, uint64 size);
+  virtual void OnUploadProgress(uint64 position, uint64 size) OVERRIDE;
   virtual bool OnReceivedRedirect(
       const GURL& new_url,
       const webkit_glue::ResourceResponseInfo& info,
       bool* has_new_first_party_for_cookies,
-      GURL* new_first_party_for_cookies);
+      GURL* new_first_party_for_cookies) OVERRIDE;
   virtual void OnReceivedResponse(
-      const webkit_glue::ResourceResponseInfo& info);
-  virtual void OnDownloadedData(int len) {}
+      const webkit_glue::ResourceResponseInfo& info) OVERRIDE;
+  virtual void OnDownloadedData(int len) OVERRIDE {}
   virtual void OnReceivedData(const char* data,
                               int data_length,
-                              int encoded_data_length);
+                              int encoded_data_length) OVERRIDE;
   virtual void OnCompletedRequest(const net::URLRequestStatus& status,
                                   const std::string& security_info,
-                                  const base::Time& completion_time);
+                                  const base::Time& completion_time) OVERRIDE;
 
  private:
   friend class ExtensionLocalizationPeerTest;