Replace mountType by volumeType on fileBrowserPrivate APIs.

chrome/browser/chromeos/extensions/file_manager/private_api_util.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/extensions/file_manager/private_api_util.h"
 
 #include "base/files/file_path.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
@@ skipping 100 matching lines @@
   } else {
     DLOG(ERROR) << "Failed to get " << file_path.value()
                 << " with error code: " << error;
   }
   params->selected_files.push_back(ui::SelectedFileInfo(file_path, local_path));
   GetSelectedFileInfoInternal(profile, params.Pass());
 }
 
 }  // namespace
 
+// Returns string representaion of VolumeType.
+std::string VolumeTypeToStringEnum(VolumeType type) {
+  switch (type) {
+    case VOLUME_TYPE_GOOGLE_DRIVE:
+      return "drive";
+    case VOLUME_TYPE_DOWNLOADS_DIRECTORY:
+      return "downloads";
+    case VOLUME_TYPE_REMOVABLE_DISK_PARTITION:
+      return "removable";
+    case VOLUME_TYPE_MOUNTED_ARCHIVE_FILE:
+      return "archive";
+  }
+
+  NOTREACHED();
+  return "";
+}
+
 int32 GetTabId(ExtensionFunctionDispatcher* dispatcher) {
   if (!dispatcher) {
     LOG(WARNING) << "No dispatcher";
     return 0;
   }
   if (!dispatcher->delegate()) {
     LOG(WARNING) << "No delegate";
     return 0;
   }
   content::WebContents* web_contents =
@@ skipping 48 matching lines @@
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&GetSelectedFileInfoInternal,
                  profile,
                  base::Passed(&params)));
 }
 
 }  // namespace util
 }  // namespace file_manager