Drive: Removes unused cache files after the initial feed fetch.

chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.cc

Index: chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.cc
diff --git a/chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.cc b/chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2710616f9df50dbc205d9d34bf29ff7525678cb3
--- /dev/null
+++ b/chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.cc
@@ -0,0 +1,15 @@
+// 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/gdata/mock_drive_web_apps_registry.h"
+
+namespace gdata {
+
+MockDriveWebAppsRegistry::MockDriveWebAppsRegistry() {
+}
+
+MockDriveWebAppsRegistry::~MockDriveWebAppsRegistry() {
+}
+
+}  // namespace gdata