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

content/browser/browser_main_runner.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 "content/public/browser/browser_main_runner.h"
 
 #include "base/allocator/allocator_shim.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
@@ skipping 116 matching lines @@
 
 }  // namespace
 
 #endif  // OS_WIN
 
 class BrowserMainRunnerImpl : public BrowserMainRunner {
  public:
   BrowserMainRunnerImpl()
       : initialization_started_(false), is_shutdown_(false) {}
 
-  virtual ~BrowserMainRunnerImpl() {
+  ~BrowserMainRunnerImpl() override {
     if (initialization_started_ && !is_shutdown_)
       Shutdown();
   }
 
-  virtual int Initialize(const MainFunctionParams& parameters) override {
+  int Initialize(const MainFunctionParams& parameters) override {
     TRACE_EVENT0("startup", "BrowserMainRunnerImpl::Initialize");
     // On Android we normally initialize the browser in a series of UI thread
     // tasks. While this is happening a second request can come from the OS or
     // another application to start the browser. If this happens then we must
     // not run these parts of initialization twice.
     if (!initialization_started_) {
       initialization_started_ = true;
 
 #if !defined(OS_IOS)
       if (parameters.command_line.HasSwitch(switches::kWaitForDebugger))
@@ skipping 56 matching lines @@
     }
     main_loop_->CreateStartupTasks();
     int result_code = main_loop_->GetResultCode();
     if (result_code > 0)
       return result_code;
 
     // Return -1 to indicate no early termination.
     return -1;
   }
 
-  virtual int Run() override {
+  int Run() override {
     DCHECK(initialization_started_);
     DCHECK(!is_shutdown_);
     main_loop_->RunMainMessageLoopParts();
     return main_loop_->GetResultCode();
   }
 
-  virtual void Shutdown() override {
+  void Shutdown() override {
     DCHECK(initialization_started_);
     DCHECK(!is_shutdown_);
 #ifdef LEAK_SANITIZER
     // Invoke leak detection now, to avoid dealing with shutdown-only leaks.
     // Normally this will have already happened in
     // BroserProcessImpl::ReleaseModule(), so this call has no effect. This is
     // only for processes which do not instantiate a BrowserProcess.
     // If leaks are found, the process will exit here.
     __lsan_do_leak_check();
 #endif
@@ skipping 61 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainRunnerImpl);
 };
 
 // static
 BrowserMainRunner* BrowserMainRunner::Create() {
   return new BrowserMainRunnerImpl();
 }
 
 }  // namespace content