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

chrome/browser/chromeos/drive/file_system/update_operation.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/chromeos/drive/file_system/update_operation.h"
 
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_observer.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
@@ skipping 80 matching lines @@
     const std::string& resource_id,
     const ClientContext& context,
     const FileOperationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   ResourceEntry* entry = new ResourceEntry;
   base::FilePath* drive_file_path = new base::FilePath;
   base::FilePath* cache_file_path = new base::FilePath;
   base::PostTaskAndReplyWithResult(
-      blocking_task_runner_,
+      blocking_task_runner_.get(),
       FROM_HERE,
       base::Bind(&GetFileLocalState,
                  metadata_,
                  cache_,
                  resource_id,
                  entry,
                  drive_file_path,
                  cache_file_path),
       base::Bind(&UpdateOperation::UpdateFileAfterGetLocalState,
                  weak_ptr_factory_.GetWeakPtr(),
@@ skipping 39 matching lines @@
   DCHECK(!callback.is_null());
 
   FileError drive_error = util::GDataToFileError(error);
   if (drive_error != FILE_ERROR_OK) {
     callback.Run(drive_error);
     return;
   }
 
   base::FilePath* drive_file_path = new base::FilePath;
   base::PostTaskAndReplyWithResult(
-      blocking_task_runner_,
+      blocking_task_runner_.get(),
       FROM_HERE,
       base::Bind(&UpdateFileLocalState,
                  metadata_,
                  cache_,
                  base::Passed(&resource_entry),
                  drive_file_path),
       base::Bind(&UpdateOperation::UpdateFileAfterUpdateLocalState,
                  weak_ptr_factory_.GetWeakPtr(),
                  callback,
                  base::Owned(drive_file_path)));
 }
 
 void UpdateOperation::UpdateFileAfterUpdateLocalState(
     const FileOperationCallback& callback,
     const base::FilePath* drive_file_path,
     FileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   if (error != FILE_ERROR_OK) {
     callback.Run(error);
     return;
   }
   observer_->OnDirectoryChangedByOperation(drive_file_path->DirName());
   callback.Run(FILE_ERROR_OK);
 }
 
 }  // namespace file_system
 }  // namespace drive