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

chrome/browser/chromeos/drive/file_cache.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_cache.h"
 
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
@@ skipping 798 matching lines @@
   return (free_space >= num_bytes);
 }
 
 bool FileCache::ImportOldDB(const base::FilePath& old_db_path) {
   if (!file_util::PathExists(old_db_path))  // Old DB is not there, do nothing.
     return false;
 
   // Copy all entries stored in the old DB.
   bool imported = false;
   {
-    FileCacheMetadata old_data(blocking_task_runner_);
+    FileCacheMetadata old_data(blocking_task_runner_.get());
     if (old_data.Initialize(old_db_path) ==
         FileCacheMetadata::INITIALIZE_OPENED) {
       scoped_ptr<FileCacheMetadata::Iterator> it = old_data.GetIterator();
       for (; !it->IsAtEnd(); it->Advance()) {
         FileCacheEntry entry;
         if (storage_->GetCacheEntry(it->GetKey(), &entry))
           continue;  // Do not overwrite.
 
         storage_->PutCacheEntry(it->GetKey(), it->GetValue());
       }
       imported = true;
     }
   }
 
   // Delete old DB.
   base::Delete(old_db_path, true /* recursive */ );
   return imported;
 }
 
 }  // namespace internal
 }  // namespace drive