Import chrome idl into third_party

third_party/chrome/idl/media_galleries.idl

Index: third_party/chrome/idl/media_galleries.idl
diff --git a/third_party/chrome/idl/media_galleries.idl b/third_party/chrome/idl/media_galleries.idl
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+// 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.
+
+namespace mediaGalleries {
+
+  [inline_doc] enum GetMediaFileSystemsInteractivity {
+    // Do not act interactively.
+    no,
+    // Ask the user to manage permitted media galleries.
+    yes,
+    // Ask the user to manage permitted galleries only if the return set would
+    // otherwise be empty.
+    if_needed
+  };
+
+  [inline_doc] dictionary MediaFileSystemsDetails {
+    // Whether to prompt the user for permission to additional media galleries
+    // before returning the permitted set. Default is silent.  If the value
+    // 'yes' is passed, or if the application has not been granted access to
+    // any media galleries and the value 'if_needed' is passed, then the
+    // media gallery configuration dialog will be displayed.
+    GetMediaFileSystemsInteractivity? interactive;
+  };
+
+  callback MediaFileSystemsCallback =
+      void ([instanceOf=DOMFileSystem] optional object[] mediaFileSystems);
+
+  [inline_doc] dictionary MediaFileSystemMetadata {
+    // The name of the file system.
+    DOMString name;
+
+    // A unique and persistent id for the media gallery.
+    long galleryId;
+
+    // If the media gallery is on a removable device, a unique id for the
+    // device.
+    long? deviceId;
+
+    // True if the media gallery is on a removable device.
+    boolean isRemovable;
+
+    // True if the device the media gallery is on was detected as a media
+    // device.  i.e. a PTP or MTP device, or a DCIM directory is present.
+    boolean isMediaDevice;
+  };
+
+  interface Functions {
+    // Get the media galleries configured in this user agent. If none are
+    // configured or available, the callback will receive an empty array.
+    static void getMediaFileSystems(optional MediaFileSystemsDetails details,
+                                    MediaFileSystemsCallback callback);
+
+    // Get metadata about a specific media file system.
+    [nocompile] static MediaFileSystemMetadata getMediaFileSystemMetadata(
+        [instanceOf=DOMFileSystem] object mediaFileSystem);
+  };
+
+};