Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/ui/pdf/pdf_unsupported_feature.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/ui/pdf/pdf_unsupported_feature.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 86 matching lines @@
     const content::LoadCommittedDetails& details) const {
   content::PageTransition transition =
       content::PageTransitionStripQualifier(details.entry->GetTransitionType());
   // We don't want to expire on a reload, because that is how we open the PDF in
   // Reader.
   return !details.is_in_page && transition != content::PAGE_TRANSITION_RELOAD;
 }
 
 void PDFEnableAdobeReaderPromptDelegate::Accept() {
   content::RecordAction(UserMetricsAction("PDF_EnableReaderInfoBarOK"));
-  PluginPrefs* plugin_prefs = PluginPrefs::GetForProfile(profile_);
+  PluginPrefs* plugin_prefs = PluginPrefs::GetForProfile(profile_).get();
   plugin_prefs->EnablePluginGroup(
       true, ASCIIToUTF16(PluginMetadata::kAdobeReaderGroupName));
   plugin_prefs->EnablePluginGroup(
       false, ASCIIToUTF16(chrome::ChromeContentClient::kPDFPluginName));
 }
 
 void PDFEnableAdobeReaderPromptDelegate::Cancel() {
   content::RecordAction(UserMetricsAction("PDF_EnableReaderInfoBarCancel"));
 }
 
@@ skipping 279 matching lines @@
 
 void PDFHasUnsupportedFeature(content::WebContents* web_contents) {
 #if defined(OS_WIN) && defined(ENABLE_PLUGIN_INSTALLATION)
   // Only works for Windows for now.  For Mac, we'll have to launch the file
   // externally since Adobe Reader doesn't work inside Chrome.
   PluginService::GetInstance()->GetPlugins(base::Bind(&GotPluginsCallback,
       web_contents->GetRenderProcessHost()->GetID(),
       web_contents->GetRenderViewHost()->GetRoutingID()));
 #endif
 }