Remove implicit conversions from scoped_refptr to T* in chrome/browser/apps/

chrome/browser/apps/app_url_redirector.cc

 // Copyright 2013 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/apps/app_url_redirector.h"
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/prerender/prerender_contents.h"
@@ skipping 39 matching lines @@
   // If prerendering, don't launch the app but abort the navigation.
   prerender::PrerenderContents* prerender_contents =
       prerender::PrerenderContents::FromWebContents(source);
   if (prerender_contents) {
     prerender_contents->Destroy(prerender::FINAL_STATUS_NAVIGATION_INTERCEPTED);
     return true;
   }
 
   // These are guaranteed by CreateThrottleFor below.
   DCHECK(!params.is_post());
-  DCHECK(UrlHandlers::CanExtensionHandleUrl(app, params.url()));
+  DCHECK(UrlHandlers::CanExtensionHandleUrl(app.get(), params.url()));
 
   Profile* profile =
       Profile::FromBrowserContext(source->GetBrowserContext());
 
   DVLOG(1) << "Launching app handler with URL: "
            << params.url().spec() << " -> "
            << app->name() << "(" << app->id() << "):" << handler_id;
   apps::LaunchPlatformAppWithUrl(
-      profile, app, handler_id, params.url(), params.referrer().url);
+      profile, app.get(), handler_id, params.url(), params.referrer().url);
 
   return true;
 }
 
 }  // namespace
 
 // static
 content::ResourceThrottle*
 AppUrlRedirector::MaybeCreateThrottleFor(net::URLRequest* request,
                                          ProfileIOData* profile_io_data) {
@@ skipping 25 matching lines @@
     DVLOG(1) << "Skip redirection: unsupported in incognito";
     return NULL;
   }
 
   const extensions::ExtensionSet& extensions =
       profile_io_data->GetExtensionInfoMap()->extensions();
   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
        iter != extensions.end();
        ++iter) {
     const UrlHandlerInfo* handler =
-        UrlHandlers::FindMatchingUrlHandler(*iter, request->url());
+        UrlHandlers::FindMatchingUrlHandler(iter->get(), request->url());
     if (handler) {
       DVLOG(1) << "Found matching app handler for redirection: "
                << (*iter)->name() << "(" << (*iter)->id() << "):"
                << handler->id;
       return new navigation_interception::InterceptNavigationResourceThrottle(
           request,
           base::Bind(&LaunchAppWithUrl,
                      scoped_refptr<const Extension>(*iter),
                      handler->id));
     }
   }
 
   DVLOG(1) << "Skipping redirection: no matching app handler found";
   return NULL;
 }