Standardize usage of virtual/override/final in base/

base/debug/trace_event_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "base/debug/trace_event_unittest.h"
 
 #include <math.h>
 #include <cstdlib>
 
 #include "base/bind.h"
@@ skipping 977 matching lines @@
 }
 
 // Tests the IsEnabled() state of TraceLog changes before callbacks.
 class AfterStateChangeEnabledStateObserver
     : public TraceLog::EnabledStateObserver {
  public:
   AfterStateChangeEnabledStateObserver() {}
   virtual ~AfterStateChangeEnabledStateObserver() {}
 
   // TraceLog::EnabledStateObserver overrides:
-  virtual void OnTraceLogEnabled() override {
+  void OnTraceLogEnabled() override {
     EXPECT_TRUE(TraceLog::GetInstance()->IsEnabled());
   }
 
-  virtual void OnTraceLogDisabled() override {
+  void OnTraceLogDisabled() override {
     EXPECT_FALSE(TraceLog::GetInstance()->IsEnabled());
   }
 };
 
 TEST_F(TraceEventTestFixture, ObserversFireAfterStateChange) {
   AfterStateChangeEnabledStateObserver observer;
   TraceLog::GetInstance()->AddEnabledStateObserver(&observer);
 
   TraceLog::GetInstance()->SetEnabled(
       CategoryFilter("*"),
       TraceLog::RECORDING_MODE,
       TraceOptions());
   EXPECT_TRUE(TraceLog::GetInstance()->IsEnabled());
 
   TraceLog::GetInstance()->SetDisabled();
   EXPECT_FALSE(TraceLog::GetInstance()->IsEnabled());
 
   TraceLog::GetInstance()->RemoveEnabledStateObserver(&observer);
 }
 
 // Tests that a state observer can remove itself during a callback.
 class SelfRemovingEnabledStateObserver
     : public TraceLog::EnabledStateObserver {
  public:
   SelfRemovingEnabledStateObserver() {}
   virtual ~SelfRemovingEnabledStateObserver() {}
 
   // TraceLog::EnabledStateObserver overrides:
-  virtual void OnTraceLogEnabled() override {}
+  void OnTraceLogEnabled() override {}
 
-  virtual void OnTraceLogDisabled() override {
+  void OnTraceLogDisabled() override {
     TraceLog::GetInstance()->RemoveEnabledStateObserver(this);
   }
 };
 
 TEST_F(TraceEventTestFixture, SelfRemovingObserver) {
   ASSERT_EQ(0u, TraceLog::GetInstance()->GetObserverCountForTest());
 
   SelfRemovingEnabledStateObserver observer;
   TraceLog::GetInstance()->AddEnabledStateObserver(&observer);
   EXPECT_EQ(1u, TraceLog::GetInstance()->GetObserverCountForTest());
@@ skipping 867 matching lines @@
   EXPECT_FALSE(FindNamePhase("CCC", "P"));
   EXPECT_FALSE(FindNamePhase("DDD", "P"));
 
   Clear();
 }
 
 class MyData : public ConvertableToTraceFormat {
  public:
   MyData() {}
 
-  virtual void AppendAsTraceFormat(std::string* out) const override {
+  void AppendAsTraceFormat(std::string* out) const override {
     out->append("{\"foo\":1}");
   }
 
  private:
-  virtual ~MyData() {}
+  ~MyData() override {}
   DISALLOW_COPY_AND_ASSIGN(MyData);
 };
 
 TEST_F(TraceEventTestFixture, ConvertableTypes) {
   TraceLog::GetInstance()->SetEnabled(
       CategoryFilter("*"),
       TraceLog::RECORDING_MODE,
       TraceOptions());
 
   scoped_refptr<ConvertableToTraceFormat> data(new MyData());
@@ skipping 1134 matching lines @@
         EXPECT_EQ(original_option.enable_sampling, new_options.enable_sampling);
         EXPECT_EQ(original_option.enable_systrace, new_options.enable_systrace);
       }
     }
   }
 }
 
 
 }  // namespace debug
 }  // namespace base