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

chrome/browser/plugins/chrome_plugin_service_filter.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/plugins/chrome_plugin_service_filter.h"
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/plugins/plugin_metadata.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
@@ skipping 41 matching lines @@
   overridden_plugin.plugin = plugin;
   details->overridden_plugins.push_back(overridden_plugin);
 }
 
 void ChromePluginServiceFilter::RestrictPluginToProfileAndOrigin(
     const base::FilePath& plugin_path,
     Profile* profile,
     const GURL& origin) {
   base::AutoLock auto_lock(lock_);
   restricted_plugins_[plugin_path] =
-      std::make_pair(PluginPrefs::GetForProfile(profile),
-                     origin);
+      std::make_pair(PluginPrefs::GetForProfile(profile).get(), origin);
 }
 
 void ChromePluginServiceFilter::UnrestrictPlugin(
     const base::FilePath& plugin_path) {
   base::AutoLock auto_lock(lock_);
   restricted_plugins_.erase(plugin_path);
 }
 
 bool ChromePluginServiceFilter::IsPluginAvailable(
     int render_process_id,
@@ skipping 144 matching lines @@
 
 ChromePluginServiceFilter::OverriddenPlugin::~OverriddenPlugin() {
 }
 
 ChromePluginServiceFilter::ProcessDetails::ProcessDetails() {
 }
 
 ChromePluginServiceFilter::ProcessDetails::~ProcessDetails() {
 }