Standardize usage of virtual/override/final specifiers 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 107 matching lines @@
     flush_complete_event.Wait();
   }
 
   void FlushMonitoring(WaitableEvent* flush_complete_event) {
     TraceLog::GetInstance()->FlushButLeaveBufferIntact(
         base::Bind(&TraceEventTestFixture::OnTraceDataCollected,
                    base::Unretained(static_cast<TraceEventTestFixture*>(this)),
                    base::Unretained(flush_complete_event)));
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     const char* name = PlatformThread::GetName();
     old_thread_name_ = name ? strdup(name) : NULL;
 
     TraceLog::DeleteForTesting();
     TraceLog* tracelog = TraceLog::GetInstance();
     ASSERT_TRUE(tracelog);
     ASSERT_FALSE(tracelog->IsEnabled());
     trace_buffer_.SetOutputCallback(json_output_.GetCallback());
     event_watch_notification_ = 0;
   }
-  virtual void TearDown() override {
+  void TearDown() override {
     if (TraceLog::GetInstance())
       EXPECT_FALSE(TraceLog::GetInstance()->IsEnabled());
     PlatformThread::SetName(old_thread_name_ ? old_thread_name_ : "");
     free(old_thread_name_);
     old_thread_name_ = NULL;
     // We want our singleton torn down after each test.
     TraceLog::DeleteForTesting();
   }
 
   char* old_thread_name_;
@@ skipping 2058 matching lines @@
   dict = FindNamePhase("event15", "X");
   ASSERT_TRUE(dict);
   dict->GetDictionary("args", &args_dict);
   ASSERT_TRUE(args_dict);
   EXPECT_TRUE(args_dict->GetInteger("timeticks_one", &int_value));
   EXPECT_EQ(1, int_value);
 }
 
 class TraceEventCallbackTest : public TraceEventTestFixture {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     TraceEventTestFixture::SetUp();
     ASSERT_EQ(NULL, s_instance);
     s_instance = this;
   }
-  virtual void TearDown() override {
+  void TearDown() override {
     TraceLog::GetInstance()->SetDisabled();
     ASSERT_TRUE(!!s_instance);
     s_instance = NULL;
     TraceEventTestFixture::TearDown();
   }
 
  protected:
   // For TraceEventCallbackAndRecordingX tests.
   void VerifyCallbackAndRecordedEvents(size_t expected_callback_count,
                                        size_t expected_recorded_count) {
@@ skipping 850 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