Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/renderer/renderer_main_platform_delegate.h

 // 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.
 
 #ifndef CHROME_RENDERER_RENDERER_MAIN_PLATFORM_DELEGATE_H_
 #define CHROME_RENDERER_RENDERER_MAIN_PLATFORM_DELEGATE_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/public/common/main_function_params.h"
 
 #ifdef __OBJC__
 @class NSBundle;
 #else
 class NSBundle;
 #endif  // __OBJC__
 
+namespace content {
+
 class CONTENT_EXPORT RendererMainPlatformDelegate {
  public:
   explicit RendererMainPlatformDelegate(
-      const content::MainFunctionParams& parameters);
+      const MainFunctionParams& parameters);
   ~RendererMainPlatformDelegate();
 
   // Called first thing and last thing in the process' lifecycle, i.e. before
   // the sandbox is enabled.
   void PlatformInitialize();
   void PlatformUninitialize();
 
   // Gives us an opportunity to initialize state used for tests before enabling
   // the sandbox.
   bool InitSandboxTests(bool no_sandbox);
 
   // Initiate Lockdown, returns true on success.
   bool EnableSandbox();
 
   // Runs Sandbox tests.
   void RunSandboxTests();
 
  private:
-  const content::MainFunctionParams& parameters_;
+  const MainFunctionParams& parameters_;
 #if defined(OS_WIN)
   HMODULE sandbox_test_module_;
 #elif defined(OS_MACOSX)
   NSBundle* sandbox_tests_bundle_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RendererMainPlatformDelegate);
 };
 
+}  // namespace content
+
 #endif  // CHROME_RENDERER_RENDERER_MAIN_PLATFORM_DELEGATE_H_