Mount MTP devices in Chrome OS Files.app.

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 2490 matching lines @@
   additional_backends->push_back(new MediaFileSystemBackend(
       storage_partition_path,
       pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
           MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
 #endif
 #if defined(OS_CHROMEOS)
   fileapi::ExternalMountPoints* external_mount_points =
       content::BrowserContext::GetMountPoints(browser_context);
   DCHECK(external_mount_points);
   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
+      storage_partition_path,
       new drive::FileSystemBackendDelegate,
       new chromeos::file_system_provider::BackendDelegate,
       browser_context->GetSpecialStoragePolicy(),
       external_mount_points,
       fileapi::ExternalMountPoints::GetSystemInstance());
   backend->AddSystemMountPoints();
   DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
   additional_backends->push_back(backend);
 #endif
 
@@ skipping 157 matching lines @@
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)
 
 }  // namespace chrome