Move Extension into extensions namespace

chrome/common/extensions/extension_process_policy.cc

 // Copyright (c) 2011 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/common/extensions/extension_process_policy.h"
 
 #include "chrome/common/extensions/extension_set.h"
 
 namespace extensions {
 
-const Extension* GetNonBookmarkAppExtension(
+const extensions::Extension* GetNonBookmarkAppExtension(
     const ExtensionSet& extensions, const ExtensionURLInfo& url) {
   // Exclude bookmark apps, which do not use the app process model.
-  const Extension* extension = extensions.GetExtensionOrAppByURL(url);
+  const extensions::Extension* extension =
+      extensions.GetExtensionOrAppByURL(url);
   if (extension && extension->from_bookmark())
     extension = NULL;
   return extension;
 }
 
 bool CrossesExtensionProcessBoundary(
     const ExtensionSet& extensions,
     const ExtensionURLInfo& old_url,
     const ExtensionURLInfo& new_url) {
-  const Extension* old_url_extension = GetNonBookmarkAppExtension(extensions,
-                                                                  old_url);
-  const Extension* new_url_extension = GetNonBookmarkAppExtension(extensions,
-                                                                  new_url);
+  const extensions::Extension* old_url_extension = GetNonBookmarkAppExtension(
+      extensions,
+      old_url);
+  const extensions::Extension* new_url_extension = GetNonBookmarkAppExtension(
+      extensions,
+      new_url);
 
   // TODO(creis): Temporary workaround for crbug.com/59285: Do not swap process
   // to navigate from a hosted app to a normal page or another hosted app
   // (unless either is the web store).  This is because we do not yet support
   // postMessage calls from outside the app back into it (e.g., as in Facebook
   // OAuth 2.0).  This will be removed when http://crbug.com/99202 is fixed.
   bool old_url_is_hosted_app = old_url_extension &&
       !old_url_extension->web_extent().is_empty();
   bool new_url_is_normal_or_hosted = !new_url_extension ||
       !new_url_extension->web_extent().is_empty();
   bool either_is_web_store =
       (old_url_extension &&
        old_url_extension->id() == extension_misc::kWebStoreAppId) ||
       (new_url_extension &&
        new_url_extension->id() == extension_misc::kWebStoreAppId);
   if (old_url_is_hosted_app &&
       new_url_is_normal_or_hosted &&
       !either_is_web_store)
     return false;
 
   return old_url_extension != new_url_extension;
 }
 
 }  // namespace extensions