Moved ExtensionPrefs and related into extensions namespace

chrome/browser/extensions/extension_navigation_observer.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 "chrome/browser/extensions/extension_navigation_observer.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 50 matching lines @@
       extension_service->disabled_extensions()->
       GetExtensionOrAppByURL(ExtensionURLInfo(nav_entry->GetURL()));
   if (!extension)
     return;
 
   // Try not to repeatedly prompt the user about the same extension.
   if (prompted_extensions_.find(extension->id()) != prompted_extensions_.end())
     return;
   prompted_extensions_.insert(extension->id());
 
-  ExtensionPrefs* extension_prefs = extension_service->extension_prefs();
+  extensions::ExtensionPrefs* extension_prefs =
+      extension_service->extension_prefs();
   if (extension_prefs->DidExtensionEscalatePermissions(extension->id())) {
     // Keep track of the extension id and nav controller we're prompting for.
     // These must be reset in InstallUIProceed and InstallUIAbort.
     in_progress_prompt_extension_id_ = extension->id();
     in_progress_prompt_navigation_controller_ = nav_controller;
 
     Browser* browser = browser::FindBrowserWithWebContents(
         nav_controller->GetWebContents());
     extension_install_prompt_.reset(
         chrome::CreateExtensionInstallPromptWithBrowser(browser));
@@ skipping 28 matching lines @@
   in_progress_prompt_extension_id_ = "";
   in_progress_prompt_navigation_controller_ = NULL;
   extension_install_prompt_.reset();
 
   std::string histogram_name = user_initiated ?
       "Extensions.Permissions_ReEnableCancel" :
       "Extensions.Permissions_ReEnableAbort";
   ExtensionService::RecordPermissionMessagesHistogram(
       extension, histogram_name.c_str());
 }