Unify HasGDocFileExtension and IsHostedDocumentByExtentoin.

chrome/browser/chromeos/drive/file_system/copy_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/copy_operation.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/task_runner_util.h"
@@ skipping 216 matching lines @@
       remote_dest_path.DirName(), parent_entry);
   if (error != FILE_ERROR_OK)
     return error;
 
   // The destination's parent must be a directory.
   if (!parent_entry->file_info().is_directory())
     return FILE_ERROR_NOT_A_DIRECTORY;
 
   // Try to parse GDoc File and extract the resource id, if necessary.
   // Failing isn't problem. It'd be handled as a regular file, then.
-  if (util::HasGDocFileExtension(local_src_path))
+  if (util::HasHostedDocumentExtension(local_src_path))
     *gdoc_resource_id = util::ReadResourceIdFromGDocFile(local_src_path);
   return FILE_ERROR_OK;
 }
 
 // Performs local work before server-side work for transferring JSON-represented
 // gdoc files.
 FileError LocalWorkForTransferJsonGdocFile(
     internal::ResourceMetadata* metadata,
     CopyOperation::TransferJsonGdocParams* params) {
   std::string local_id;
@@ skipping 413 matching lines @@
     FileChange changed_file;
     changed_file.Update(remote_dest_path, *entry, FileChange::ADD_OR_UPDATE);
     delegate_->OnFileChangedByOperation(changed_file);
     delegate_->OnEntryUpdatedByOperation(*local_id);
   }
   callback.Run(error);
 }
 
 }  // namespace file_system
 }  // namespace drive