Update chrome/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/download/download_service.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/download/download_service.h"
 
 #include "base/callback.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_history.h"
@@ skipping 24 matching lines @@
   // If we've already created the delegate, just return it.
   if (download_manager_created_) {
     DCHECK(static_cast<DownloadManagerDelegate*>(manager_delegate_.get()) ==
            manager->GetDelegate());
     return manager_delegate_.get();
   }
   download_manager_created_ = true;
 
   // In case the delegate has already been set by
   // SetDownloadManagerDelegateForTesting.
-  if (!manager_delegate_)
+  if (!manager_delegate_.get())
     manager_delegate_ = new ChromeDownloadManagerDelegate(profile_);
 
   manager_delegate_->SetDownloadManager(manager);
 
 #if !defined(OS_ANDROID)
   extension_event_router_.reset(new ExtensionDownloadsEventRouter(
       profile_, manager));
 #endif
 
   if (!profile_->IsOffTheRecord()) {
@@ skipping 76 matching lines @@
     // code) when the DownloadManager is shutting down. So we shut it down
     // manually earlier. See http://crbug.com/131692
     BrowserContext::GetDownloadManager(profile_)->Shutdown();
   }
 #if !defined(OS_ANDROID)
   extension_event_router_.reset();
 #endif
   manager_delegate_ = NULL;
   download_history_.reset();
 }