Move Render(View|Widget)Host and associated classes to content namespace.

chrome/browser/extensions/extension_process_manager.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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_host.h"
@@ skipping 16 matching lines @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
 
 #if defined(OS_MACOSX)
 #include "chrome/browser/extensions/extension_host_mac.h"
 #endif
 
 using content::BrowserThread;
 using content::OpenURLParams;
 using content::Referrer;
+using content::RenderViewHost;
 using content::SiteInstance;
 
 namespace {
 
 // An accessor for an extension's lazy_keepalive_count.
 // TODO(mpcomplete): Should we store this on ExtensionHost instead?
 static base::LazyInstance<base::PropertyAccessor<int> >
     g_property_accessor = LAZY_INSTANCE_INITIALIZER;
 
 int& GetLazyKeepaliveCount(Profile* profile, const Extension* extension) {
@@ skipping 559 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHostsForProfileStartup(this, service->extensions());
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }