Cleanup: Fix some lint/style errors in extensions code.

chrome/browser/extensions/api/push_messaging/push_messaging_api.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/api/push_messaging/push_messaging_api.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 14 matching lines @@
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
 #include "chrome/common/extensions/api/push_messaging.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/api_permission.h"
 #include "google_apis/gaia/gaia_constants.h"
-#include "url/gurl.h"
 
 using content::BrowserThread;
 
 const char kChannelIdSeparator[] = "/";
 const char kUserNotSignedIn[] = "The user is not signed in.";
 const char kUserAccessTokenFailure[] =
     "Cannot obtain access token for the user.";
 const int kObfuscatedGaiaIdTimeoutInDays = 30;
 
 namespace extensions {
@@ skipping 310 matching lines @@
   handler_ = mapper.Pass();
 }
 
 template <>
 void ProfileKeyedAPIFactory<PushMessagingAPI>::DeclareFactoryDependencies() {
   DependsOn(ExtensionSystemFactory::GetInstance());
   DependsOn(invalidation::InvalidationServiceFactory::GetInstance());
 }
 
 }  // namespace extensions