Enforce marking "override" for functions overriding Blink.

content/renderer/media/android/media_info_loader.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_INFO_LOADER_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_INFO_LOADER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 41 matching lines @@
   typedef base::Callback<void(Status, const GURL&, const GURL&, bool)> ReadyCB;
 
   // Start loading information about the given media URL.
   // |url| - URL for the media resource to be loaded.
   // |cors_mode| - HTML media element's crossorigin attribute.
   // |ready_cb| - Called when media info has finished or failed loading.
   MediaInfoLoader(
       const GURL& url,
       blink::WebMediaPlayer::CORSMode cors_mode,
       const ReadyCB& ready_cb);
-  virtual ~MediaInfoLoader();
+  ~MediaInfoLoader() override;
 
   // Start loading media info.
   void Start(blink::WebFrame* frame);
 
   // Returns true if the media resource has a single origin, false otherwise.
   // Only valid to call after the loader becomes ready.
   bool HasSingleOrigin() const;
 
   // Returns true if the media resource passed a CORS access control check.
   // Only valid to call after the loader becomes ready.
   bool DidPassCORSAccessCheck() const;
 
  private:
   friend class MediaInfoLoaderTest;
 
   // blink::WebURLLoaderClient implementation.
   virtual void willSendRequest(
       blink::WebURLLoader* loader,
       blink::WebURLRequest& newRequest,
       const blink::WebURLResponse& redirectResponse);
-  virtual void didSendData(
-      blink::WebURLLoader* loader,
-      unsigned long long bytesSent,
-      unsigned long long totalBytesToBeSent);
-  virtual void didReceiveResponse(
-      blink::WebURLLoader* loader,
-      const blink::WebURLResponse& response);
-  virtual void didDownloadData(
-      blink::WebURLLoader* loader,
-      int data_length,
-      int encodedDataLength);
-  virtual void didReceiveData(
-      blink::WebURLLoader* loader,
-      const char* data,
-      int data_length,
-      int encoded_data_length);
-  virtual void didReceiveCachedMetadata(
-      blink::WebURLLoader* loader,
-      const char* data, int dataLength);
-  virtual void didFinishLoading(
-      blink::WebURLLoader* loader,
-      double finishTime,
-      int64_t total_encoded_data_length);
-  virtual void didFail(
-      blink::WebURLLoader* loader,
-      const blink::WebURLError&);
+  void didSendData(blink::WebURLLoader* loader,
+                   unsigned long long bytesSent,
+                   unsigned long long totalBytesToBeSent) override;
+  void didReceiveResponse(blink::WebURLLoader* loader,
+                          const blink::WebURLResponse& response) override;
+  void didDownloadData(blink::WebURLLoader* loader,
+                       int data_length,
+                       int encodedDataLength) override;
+  void didReceiveData(blink::WebURLLoader* loader,
+                      const char* data,
+                      int data_length,
+                      int encoded_data_length) override;
+  void didReceiveCachedMetadata(blink::WebURLLoader* loader,
+                                const char* data,
+                                int dataLength) override;
+  void didFinishLoading(blink::WebURLLoader* loader,
+                        double finishTime,
+                        int64_t total_encoded_data_length) override;
+  void didFail(blink::WebURLLoader* loader, const blink::WebURLError&) override;
 
   void DidBecomeReady(Status status);
 
   // Injected WebURLLoader instance for testing purposes.
   scoped_ptr<blink::WebURLLoader> test_loader_;
 
   // Keeps track of an active WebURLLoader and associated state.
   scoped_ptr<media::ActiveLoader> active_loader_;
 
   bool loader_failed_;
   GURL url_;
   GURL first_party_url_;
   bool allow_stored_credentials_;
   blink::WebMediaPlayer::CORSMode cors_mode_;
   bool single_origin_;
 
   ReadyCB ready_cb_;
   base::TimeTicks start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaInfoLoader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_INFO_LOADER_H_