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

content/browser/renderer_host/pepper/pepper_internal_file_ref_backend.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 "content/browser/renderer_host/pepper/pepper_internal_file_ref_backend.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 227 matching lines @@
 
 int32_t PepperInternalFileRefBackend::GetAbsolutePath(
     ppapi::host::ReplyMessageContext reply_context) {
   host_->SendReply(reply_context,
       PpapiPluginMsg_FileRef_GetAbsolutePathReply(path_));
   return PP_OK_COMPLETIONPENDING;
 }
 
 int32_t PepperInternalFileRefBackend::HasPermissions(int permissions) const {
   base::PlatformFileError error;
-  CheckFileSystemPermissionsForProcess(GetFileSystemContext(),
+  CheckFileSystemPermissionsForProcess(GetFileSystemContext().get(),
                                        render_process_id_,
                                        GetFileSystemURL(),
                                        permissions,
                                        &error);
   return ppapi::PlatformFileErrorToPepperError(error);
 }
 
 }  // namespace content