Remove implicit conversions from scoped_refptr to T* in chrome/

chrome/browser/app_controller_mac.mm

 // 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "apps/app_shim/extension_app_shim_handler_mac.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 375 matching lines @@
   // though.) http://crbug.com/40861
 
   // Check if the user really wants to quit by employing the confirm-to-quit
   // mechanism.
   if (!browser_shutdown::IsTryingToQuit() &&
       [self applicationShouldTerminate:app] != NSTerminateNow)
     return NO;
 
   // Check for active apps. If quitting is prevented, only close browsers and
   // sessions.
-  if (!browser_shutdown::IsTryingToQuit() &&
-      quitWithAppsController_ && !quitWithAppsController_->ShouldQuit()) {
+  if (!browser_shutdown::IsTryingToQuit() && quitWithAppsController_.get() &&
+      !quitWithAppsController_->ShouldQuit()) {
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
         content::NotificationService::AllSources(),
         content::NotificationService::NoDetails());
     // This will close all browser sessions.
     chrome::CloseAllBrowsers();
     return NO;
   }
 
   size_t num_browsers = chrome::GetTotalBrowserCount();
@@ skipping 1171 matching lines @@
 
 //---------------------------------------------------------------------------
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac