Clean up redundant virtual specifiers for chromecast android

BUG=None

Review URL: https://codereview.chromium.org/917303002

Cr-Commit-Position: refs/heads/master@{#316660}

chromecast/browser/android/cast_window_android.h

@@ -44,7 +44,7 @@ class CastWindowAndroid : public content::WebContentsDelegate,
       content::BrowserContext* browser_context,
       const GURL& url);
 
-  virtual ~CastWindowAndroid();
+  ~CastWindowAndroid() override;
 
   void LoadURL(const GURL& url);
   // Calls RVH::ClosePage() and waits for acknowledgement before closing/
@@ -57,24 +57,24 @@ class CastWindowAndroid : public content::WebContentsDelegate,
   static bool RegisterJni(JNIEnv* env);
 
   // content::WebContentsDelegate implementation:
-  virtual void AddNewContents(content::WebContents* source,
-                              content::WebContents* new_contents,
-                              WindowOpenDisposition disposition,
-                              const gfx::Rect& initial_rect,
-                              bool user_gesture,
-                              bool* was_blocked) override;
-  virtual void CloseContents(content::WebContents* source) override;
-  virtual bool CanOverscrollContent() const override;
-  virtual bool AddMessageToConsole(content::WebContents* source,
-                                   int32 level,
-                                   const base::string16& message,
-                                   int32 line_no,
-                                   const base::string16& source_id) override;
-  virtual void ActivateContents(content::WebContents* contents) override;
-  virtual void DeactivateContents(content::WebContents* contents) override;
+  void AddNewContents(content::WebContents* source,
+                      content::WebContents* new_contents,
+                      WindowOpenDisposition disposition,
+                      const gfx::Rect& initial_rect,
+                      bool user_gesture,
+                      bool* was_blocked) override;
+  void CloseContents(content::WebContents* source) override;
+  bool CanOverscrollContent() const override;
+  bool AddMessageToConsole(content::WebContents* source,
+                           int32 level,
+                           const base::string16& message,
+                           int32 line_no,
+                           const base::string16& source_id) override;
+  void ActivateContents(content::WebContents* contents) override;
+  void DeactivateContents(content::WebContents* contents) override;
 
   // content::WebContentsObserver implementation:
-  virtual void RenderProcessGone(base::TerminationStatus status) override;
+  void RenderProcessGone(base::TerminationStatus status) override;
 
  private:
   explicit CastWindowAndroid(content::BrowserContext* browser_context);

chromecast/browser/android/external_video_surface_container_impl.h

@@ -24,14 +24,14 @@ class ExternalVideoSurfaceContainerImpl
   ExternalVideoSurfaceContainerImpl(content::WebContents* contents);
 
   // ExternalVideoSurfaceContainer implementation.
-  virtual void RequestExternalVideoSurface(
+  void RequestExternalVideoSurface(
       int player_id,
       const SurfaceCreatedCB& surface_created_cb,
       const SurfaceDestroyedCB& surface_destroyed_cb) override;
-  virtual int GetCurrentPlayerId() override;
-  virtual void ReleaseExternalVideoSurface(int player_id) override;
-  virtual void OnFrameInfoUpdated() override;
-  virtual void OnExternalVideoSurfacePositionChanged(
+  int GetCurrentPlayerId() override;
+  void ReleaseExternalVideoSurface(int player_id) override;
+  void OnFrameInfoUpdated() override;
+  void OnExternalVideoSurfacePositionChanged(
       int player_id, const gfx::RectF& rect) override;
 
   // Methods called from Java.
@@ -40,7 +40,7 @@ class ExternalVideoSurfaceContainerImpl
   void SurfaceDestroyed(JNIEnv* env, jobject obj, jint player_id);
 
  private:
-  virtual ~ExternalVideoSurfaceContainerImpl();
+  ~ExternalVideoSurfaceContainerImpl() override;
 
   base::android::ScopedJavaGlobalRef<jobject> jobject_;
 

chromecast/crash/android/cast_crash_reporter_client_android.h

@@ -14,16 +14,16 @@ class CastCrashReporterClientAndroid
     : public crash_reporter::CrashReporterClient {
  public:
   CastCrashReporterClientAndroid();
-  virtual ~CastCrashReporterClientAndroid();
+  ~CastCrashReporterClientAndroid() override;
 
   // crash_reporter::CrashReporterClient implementation:
-  virtual void GetProductNameAndVersion(const char** product_name,
-                                        const char** version) override;
-  virtual base::FilePath GetReporterLogFilename() override;
-  virtual bool GetCrashDumpLocation(base::FilePath* crash_dir) override;
-  virtual int GetAndroidMinidumpDescriptor() override;
-  virtual bool GetCollectStatsConsent() override;
-  virtual bool EnableBreakpadForProcess(
+  void GetProductNameAndVersion(const char** product_name,
+                                const char** version) override;
+  base::FilePath GetReporterLogFilename() override;
+  bool GetCrashDumpLocation(base::FilePath* crash_dir) override;
+  int GetAndroidMinidumpDescriptor() override;
+  bool GetCollectStatsConsent() override;
+  bool EnableBreakpadForProcess(
       const std::string& process_type) override;
 
  private: