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

chrome/browser/nacl_host/nacl_host_message_filter.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/nacl_host/nacl_host_message_filter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/metrics/histogram.h"
@@ skipping 70 matching lines @@
     IPC::Message* reply_msg) {
   NaClProcessHost* host = new NaClProcessHost(
       GURL(launch_params.manifest_url),
       launch_params.render_view_id,
       launch_params.permission_bits,
       launch_params.uses_irt,
       launch_params.enable_dyncode_syscalls,
       launch_params.enable_exception_handling,
       off_the_record_,
       profile_directory_);
-  base::FilePath manifest_url = GetManifestPath(
-        extension_info_map_,
-        launch_params.manifest_url);
+  base::FilePath manifest_url =
+      GetManifestPath(extension_info_map_.get(), launch_params.manifest_url);
   host->Launch(this, reply_msg, manifest_url);
 }
 
 void NaClHostMessageFilter::OnGetReadonlyPnaclFd(
     const std::string& filename, IPC::Message* reply_msg) {
   // This posts a task to another thread, but the renderer will
   // block until the reply is sent.
   nacl_file_host::GetReadonlyPnaclFd(this, filename, reply_msg);
 }
 
 void NaClHostMessageFilter::OnNaClCreateTemporaryFile(
     IPC::Message* reply_msg) {
   nacl_file_host::CreateTemporaryFile(this, reply_msg);
 }
 
 void NaClHostMessageFilter::OnNaClErrorStatus(int render_view_id,
                                               int error_id) {
   // Currently there is only one kind of error status, for which
   // we want to show the user an infobar.
   ShowNaClInfobar(render_process_id_, render_view_id, error_id);
 }
 
 void NaClHostMessageFilter::OnOpenNaClExecutable(int render_view_id,
                                                  const GURL& file_url,
                                                  IPC::Message* reply_msg) {
   nacl_file_host::OpenNaClExecutable(this, extension_info_map_,
                                      render_view_id, file_url, reply_msg);
 }
 #endif