Standardize usage of virtual/override/final in content/browser/

content/browser/tracing/tracing_controller_impl.h

Index: content/browser/tracing/tracing_controller_impl.h
diff --git a/content/browser/tracing/tracing_controller_impl.h b/content/browser/tracing/tracing_controller_impl.h
index 3f80b7a6ac0624025562ad9783d81bb5a27d6640..9bd84200d45f276f9c5b84886afa5d9290964818 100644
--- a/content/browser/tracing/tracing_controller_impl.h
+++ b/content/browser/tracing/tracing_controller_impl.h
@@ -27,32 +27,28 @@ class TracingControllerImpl : public TracingController {
   static TracingControllerImpl* GetInstance();
 
   // TracingController implementation.
-  virtual bool GetCategories(
-      const GetCategoriesDoneCallback& callback) override;
-  virtual bool EnableRecording(
-      const base::debug::CategoryFilter& category_filter,
-      const base::debug::TraceOptions& trace_options,
-      const EnableRecordingDoneCallback& callback) override;
-  virtual bool DisableRecording(
-      const scoped_refptr<TraceDataSink>& sink) override;
-  virtual bool EnableMonitoring(
-      const base::debug::CategoryFilter& category_filter,
-      const base::debug::TraceOptions& trace_options,
-      const EnableMonitoringDoneCallback& callback) override;
-  virtual bool DisableMonitoring(
+  bool GetCategories(const GetCategoriesDoneCallback& callback) override;
+  bool EnableRecording(const base::debug::CategoryFilter& category_filter,
+                       const base::debug::TraceOptions& trace_options,
+                       const EnableRecordingDoneCallback& callback) override;
+  bool DisableRecording(const scoped_refptr<TraceDataSink>& sink) override;
+  bool EnableMonitoring(const base::debug::CategoryFilter& category_filter,
+                        const base::debug::TraceOptions& trace_options,
+                        const EnableMonitoringDoneCallback& callback) override;
+  bool DisableMonitoring(
       const DisableMonitoringDoneCallback& callback) override;
-  virtual void GetMonitoringStatus(
+  void GetMonitoringStatus(
       bool* out_enabled,
       base::debug::CategoryFilter* out_category_filter,
       base::debug::TraceOptions* out_trace_options) override;
-  virtual bool CaptureMonitoringSnapshot(
+  bool CaptureMonitoringSnapshot(
       const scoped_refptr<TraceDataSink>& sink) override;
-  virtual bool GetTraceBufferPercentFull(
+  bool GetTraceBufferPercentFull(
       const GetTraceBufferPercentFullCallback& callback) override;
-  virtual bool SetWatchEvent(const std::string& category_name,
-                             const std::string& event_name,
-                             const WatchEventCallback& callback) override;
-  virtual bool CancelWatchEvent() override;
+  bool SetWatchEvent(const std::string& category_name,
+                     const std::string& event_name,
+                     const WatchEventCallback& callback) override;
+  bool CancelWatchEvent() override;
 
   void RegisterTracingUI(TracingUI* tracing_ui);
   void UnregisterTracingUI(TracingUI* tracing_ui);
@@ -64,7 +60,7 @@ class TracingControllerImpl : public TracingController {
   friend class TraceMessageFilter;
 
   TracingControllerImpl();
-  virtual ~TracingControllerImpl();
+  ~TracingControllerImpl() override;
 
   bool can_enable_recording() const {
     return !is_recording_;