FileAPI code should not rely on or assume specific MountPointProvider types

webkit/fileapi/isolated_mount_point_provider.h

Index: webkit/fileapi/isolated_mount_point_provider.h
diff --git a/webkit/fileapi/isolated_mount_point_provider.h b/webkit/fileapi/isolated_mount_point_provider.h
index 57a8c3750f65ce573823e67302ef9d268bee4eba..9de55639d83aa0ca501ba85d51655651e080b0e8 100644
--- a/webkit/fileapi/isolated_mount_point_provider.h
+++ b/webkit/fileapi/isolated_mount_point_provider.h
@@ -21,6 +21,9 @@ class DeviceMediaAsyncFileUtil;
 
 class IsolatedMountPointProvider : public FileSystemMountPointProvider {
  public:
+  static const char kMediaPathFilterKey[];
+  static const char kMTPDeviceDelegateURLKey[];
+
   explicit IsolatedMountPointProvider(const base::FilePath& profile_path);
   virtual ~IsolatedMountPointProvider();