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

content/browser/ppapi_plugin_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/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 33 matching lines @@
       :
 #if defined(OS_POSIX)
         info_(info),
         ipc_fd_(host->TakeClientFileDescriptor()),
 #endif  // OS_POSIX
         is_broker_(is_broker) {}
 
   ~PpapiPluginSandboxedProcessLauncherDelegate() override {}
 
 #if defined(OS_WIN)
-  virtual bool ShouldSandbox() override {
+  bool ShouldSandbox() override {
     return !is_broker_;
   }
 
-  virtual void PreSpawnTarget(sandbox::TargetPolicy* policy,
-                              bool* success) {
+  void PreSpawnTarget(sandbox::TargetPolicy* policy, bool* success) override {
     if (is_broker_)
       return;
     // The Pepper process as locked-down as a renderer execpt that it can
     // create the server side of chrome pipes.
     sandbox::ResultCode result;
     result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
                              sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
                              L"\\\\.\\pipe\\chrome.*");
     *success = (result == sandbox::SBOX_ALL_OK);
   }
@@ skipping 410 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content