drive: Drop "Drive" from FakeDriveFileSystem and MockDriveFileSystem

chrome/browser/chromeos/drive/drive_url_request_job.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/chromeos/drive/drive_url_request_job.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 26 matching lines @@
   for (size_t i = 0; i < arraysize(kMimeTypeReplacements); i++) {
     if (type == kMimeTypeReplacements[i].original_type)
       return kMimeTypeReplacements[i].new_type;
   }
   return type;
 }
 
 }  // namespace
 
 DriveURLRequestJob::DriveURLRequestJob(
-    const DriveFileSystemGetter& file_system_getter,
+    const FileSystemGetter& file_system_getter,
     net::URLRequest* request,
     net::NetworkDelegate* network_delegate)
     : net::URLRequestJob(request, network_delegate),
       file_system_getter_(file_system_getter),
       weak_ptr_factory_(this) {
 }
 
 void DriveURLRequestJob::Start() {
   DVLOG(1) << "Starting request";
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ skipping 120 matching lines @@
     DCHECK_NE(read_result, net::ERR_IO_PENDING);
     NotifyDone(net::URLRequestStatus(net::URLRequestStatus::FAILED,
                                      read_result));
   }
 
   SetStatus(net::URLRequestStatus());  // Clear the IO_PENDING status.
   NotifyReadComplete(read_result);
 }
 
 }  // namespace drive