Moving mediaplayer to the chrome filebrowser. Observable behaviour should not change.

webkit/fileapi/file_system_mount_point_provider.h

Index: webkit/fileapi/file_system_mount_point_provider.h
diff --git a/webkit/fileapi/file_system_mount_point_provider.h b/webkit/fileapi/file_system_mount_point_provider.h
index 50e0d399931ec3bcacc15bad97a78475991903a3..edf158f2ed69036ad2a17dbf21c120f3fae5c1aa 100644
--- a/webkit/fileapi/file_system_mount_point_provider.h
+++ b/webkit/fileapi/file_system_mount_point_provider.h
@@ -70,7 +70,11 @@ class ExternalFileSystemMountPointProvider
   // Adds a new mount point.
   virtual void AddMountPoint(FilePath mount_point) = 0;
   // Remove a mount point.
-  virtual void RemoveMountPoint(FilePath mount_point)  = 0;
+  virtual void RemoveMountPoint(FilePath mount_point) = 0;
+  // Gets virtual path by known filesystem path. Returns false when filesystem
+  // path is not exposed by this provider.
+  virtual bool GetVirtualPath(const FilePath& filesystem_path,
+                              FilePath* virtual_path) = 0;
 };
 
 }  // namespace fileapi