Update {virtual,override} to follow C++11 style in content.

content/browser/gpu/gpu_process_host.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/browser/gpu/gpu_process_host.h"
 
 #include "base/base64.h"
 #include "base/base_switches.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 140 matching lines @@
                                       ChildProcessHost* host)
 #if defined(OS_WIN)
       : cmd_line_(cmd_line) {}
 #elif defined(OS_POSIX)
       : ipc_fd_(host->TakeClientFileDescriptor()) {}
 #endif
 
   ~GpuSandboxedProcessLauncherDelegate() override {}
 
 #if defined(OS_WIN)
-  virtual bool ShouldSandbox() override {
+  bool ShouldSandbox() override {
     bool sandbox = !cmd_line_->HasSwitch(switches::kDisableGpuSandbox);
     if(! sandbox) {
       DVLOG(1) << "GPU sandbox is disabled";
     }
     return sandbox;
   }
 
-  virtual void PreSandbox(bool* disable_default_policy,
-                          base::FilePath* exposed_dir) override {
+  void PreSandbox(bool* disable_default_policy,
+                  base::FilePath* exposed_dir) override {
     *disable_default_policy = true;
   }
 
   // For the GPU process we gotten as far as USER_LIMITED. The next level
   // which is USER_RESTRICTED breaks both the DirectX backend and the OpenGL
   // backend. Note that the GPU process is connected to the interactive
   // desktop.
-  virtual void PreSpawnTarget(sandbox::TargetPolicy* policy,
-                              bool* success) {
+  void PreSpawnTarget(sandbox::TargetPolicy* policy, bool* success) override {
     if (base::win::GetVersion() > base::win::VERSION_XP) {
       if (cmd_line_->GetSwitchValueASCII(switches::kUseGL) ==
           gfx::kGLImplementationDesktopName) {
         // Open GL path.
         policy->SetTokenLevel(sandbox::USER_RESTRICTED_SAME_ACCESS,
                               sandbox::USER_LIMITED);
         SetJobLevel(*cmd_line_, sandbox::JOB_UNPROTECTED, 0, policy);
         policy->SetDelayedIntegrityLevel(sandbox::INTEGRITY_LEVEL_LOW);
       } else {
         policy->SetTokenLevel(sandbox::USER_RESTRICTED_SAME_ACCESS,
@@ skipping 901 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content