Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/nacl_host/nacl_browser_delegate_impl.cc

 // Copyright 2013 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 "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
 
 #include "base/path_service.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/nacl_host/nacl_infobar_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/logging_chrome.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/site_instance.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handlers/shared_module_info.h"
 #include "extensions/common/url_pattern.h"
 #include "ppapi/c/private/ppb_nacl_private.h"
 
 using extensions::SharedModuleInfo;
 
@@ skipping 28 matching lines @@
       content::RenderFrameHost::FromID(
           instance_data[0].render_process_id, instance_data[0].render_frame_id);
   if (!render_frame_host)
     return;
 
   content::SiteInstance* site_instance = render_frame_host->GetSiteInstance();
   if (!site_instance)
     return;
 
   extensions::ExtensionSystem* extension_system =
-      extensions::ExtensionSystem::GetForBrowserContext(
-          site_instance->GetBrowserContext());
+      extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
   if (!extension_system)
     return;
 
   const ExtensionService* extension_service =
       extension_system->extension_service();
   if (!extension_service)
     return;
 
   const extensions::Extension* extension = extension_service->GetExtensionById(
       instance_data[0].document_url.host(), false);
@@ skipping 173 matching lines @@
     return false;
 
   *file_path = resource_file_path;
   return true;
 }
 
 content::BrowserPpapiHost::OnKeepaliveCallback
 NaClBrowserDelegateImpl::GetOnKeepaliveCallback() {
   return base::Bind(&OnKeepalive);
 }