Mount MTP devices in Chrome OS Files.app.

webkit/browser/fileapi/external_mount_points.cc

 // Copyright (c) 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 "webkit/browser/fileapi/external_mount_points.h"
 
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
@@ skipping 13 matching lines @@
     return path;
 
   base::FilePath::StringType path_str = path.StripTrailingSeparators().value();
   if (!base::FilePath::IsSeparator(path_str[path_str.length() - 1]))
     path_str.append(FILE_PATH_LITERAL("/"));
 
   return base::FilePath(path_str).NormalizePathSeparators();
 }
 
 bool IsOverlappingMountPathForbidden(fileapi::FileSystemType type) {
-  return type != fileapi::kFileSystemTypeNativeMedia;
+  return type != fileapi::kFileSystemTypeNativeMedia &&
+      type != fileapi::kFileSystemTypeDeviceMedia;
 }
 
 // Wrapper around ref-counted ExternalMountPoints that will be used to lazily
 // create and initialize LazyInstance system ExternalMountPoints.
 class SystemMountPointsLazyWrapper {
  public:
   SystemMountPointsLazyWrapper()
       : system_mount_points_(fileapi::ExternalMountPoints::CreateRefCounted()) {
   }
 
@@ skipping 302 matching lines @@
           path.IsParent(potential_child->first)) {
         return false;
       }
     }
   }
 
   return true;
 }
 
 }  // namespace fileapi