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

ppapi/proxy/video_capture_resource.h

Index: ppapi/proxy/video_capture_resource.h
diff --git a/ppapi/proxy/video_capture_resource.h b/ppapi/proxy/video_capture_resource.h
index d0ea0a75b97c7dbe444c5c0475ed9c10dfa097e7..add971361294175db7fe619c0c3598cae4348f7b 100644
--- a/ppapi/proxy/video_capture_resource.h
+++ b/ppapi/proxy/video_capture_resource.h
@@ -21,33 +21,33 @@ class VideoCaptureResource
   VideoCaptureResource(Connection connection,
                        PP_Instance instance,
                        PluginDispatcher* dispatcher);
-  virtual ~VideoCaptureResource();
+  ~VideoCaptureResource() override;
 
   // PluginResource override.
-  virtual thunk::PPB_VideoCapture_API* AsPPB_VideoCapture_API() override {
+  thunk::PPB_VideoCapture_API* AsPPB_VideoCapture_API() override {
     return this;
   }
 
   // PPB_VideoCapture_API implementation.
-  virtual int32_t EnumerateDevices(
+  int32_t EnumerateDevices(
       const PP_ArrayOutput& output,
       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t MonitorDeviceChange(
+  int32_t MonitorDeviceChange(
       PP_MonitorDeviceChangeCallback callback,
       void* user_data) override;
-  virtual int32_t Open(const std::string& device_id,
-                       const PP_VideoCaptureDeviceInfo_Dev& requested_info,
-                       uint32_t buffer_count,
-                       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t StartCapture() override;
-  virtual int32_t ReuseBuffer(uint32_t buffer) override;
-  virtual int32_t StopCapture() override;
-  virtual void Close() override;
-  virtual int32_t EnumerateDevicesSync(const PP_ArrayOutput& devices) override;
+  int32_t Open(const std::string& device_id,
+               const PP_VideoCaptureDeviceInfo_Dev& requested_info,
+               uint32_t buffer_count,
+               scoped_refptr<TrackedCallback> callback) override;
+  int32_t StartCapture() override;
+  int32_t ReuseBuffer(uint32_t buffer) override;
+  int32_t StopCapture() override;
+  void Close() override;
+  int32_t EnumerateDevicesSync(const PP_ArrayOutput& devices) override;
 
  protected:
   // Resource override.
-  virtual void LastPluginRefWasDeleted() override;
+  void LastPluginRefWasDeleted() override;
 
  private:
   enum OpenState {
@@ -57,8 +57,8 @@ class VideoCaptureResource
   };
 
   // PluginResource overrides.
-  virtual void OnReplyReceived(const ResourceMessageReplyParams& params,
-                               const IPC::Message& msg) override;
+  void OnReplyReceived(const ResourceMessageReplyParams& params,
+                       const IPC::Message& msg) override;
 
   void OnPluginMsgOnDeviceInfo(const ResourceMessageReplyParams& params,
                                const struct PP_VideoCaptureDeviceInfo_Dev& info,