Move content's a plugin, ppapi_plugin, utility, and worker subdirectories to the content namespace.

content/ppapi_plugin/plugin_process_dispatcher.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 CONTENT_PPAPI_PLUGIN_PLUGIN_PROCESS_DISPATCHER_H_
 #define CONTENT_PPAPI_PLUGIN_PLUGIN_PROCESS_DISPATCHER_H_
 
 #include "base/basictypes.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 
+namespace content {
+
 // Wrapper around a PluginDispatcher that provides the necessary integration
 // for plugin process management. This class is to avoid direct dependencies
 // from the PPAPI proxy on the Chrome multiprocess infrastructure.
 class PluginProcessDispatcher : public ppapi::proxy::PluginDispatcher {
  public:
   PluginProcessDispatcher(PP_GetInterface_Func get_interface,
                           const ppapi::PpapiPermissions& permissions,
                           bool incognito);
   virtual ~PluginProcessDispatcher();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PluginProcessDispatcher);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_PPAPI_PLUGIN_PLUGIN_PROCESS_DISPATCHER_H_