Add a data source field for volumes.

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 <string>
 
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 164 matching lines @@
   // TODO(kinaba): fill appropriate information once multi-profile support is
   // implemented.
   volume_metadata->profile.display_name = profile->GetProfileUserName();
   volume_metadata->profile.is_current_profile = true;
 
   if (!volume.source_path().empty()) {
     volume_metadata->source_path.reset(
         new std::string(volume.source_path().AsUTF8Unsafe()));
   }
 
+  switch (volume.volume_source()) {
+    case VOLUME_SOURCE_UNKNOWN:
+      volume_metadata->volume_source = file_manager_private::VOLUME_SOURCE_NONE;
+      break;
+    case VOLUME_SOURCE_FILE:
+      volume_metadata->volume_source = file_manager_private::VOLUME_SOURCE_FILE;
+      break;
+    case VOLUME_SOURCE_DEVICE:
+      volume_metadata->volume_source =
+          file_manager_private::VOLUME_SOURCE_DEVICE;
+      break;
+    case VOLUME_SOURCE_NETWORK:
+      volume_metadata->volume_source =
+          file_manager_private::VOLUME_SOURCE_NETWORK;
+      break;
+  }
+
   if (volume.type() == VOLUME_TYPE_PROVIDED) {
     volume_metadata->extension_id.reset(new std::string(volume.extension_id()));
-
     volume_metadata->file_system_id.reset(
         new std::string(volume.file_system_id()));
   }
 
   volume_metadata->volume_label.reset(new std::string(volume.volume_label()));
 
   switch (volume.type()) {
     case VOLUME_TYPE_GOOGLE_DRIVE:
       volume_metadata->volume_type =
           file_manager_private::VOLUME_TYPE_DRIVE;
@@ skipping 146 matching lines @@
 }
 
 drive::EventLogger* GetLogger(Profile* profile) {
   drive::DriveIntegrationService* service =
       drive::DriveIntegrationServiceFactory::FindForProfile(profile);
   return service ? service->event_logger() : NULL;
 }
 
 }  // namespace util
 }  // namespace file_manager