Improve intent: URI handling

components/arc/common/intent_helper.mojom

 // Copyright 2016 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.
 //
-// Next MinVersion: 14
+// Next MinVersion: 15
 
 module arc.mojom;
 
 import "scale_factor.mojom";
 
 // Describes the type of action to invoke.
 enum ActionType {
   VIEW,
   SEND,
   SEND_MULTIPLE,
@@ skipping 34 matching lines @@
 };
 
 // Describes a package that can handle an intent.
 struct IntentHandlerInfo {
   string name;
   string package_name;
   string activity_name;  // A hint for retrieving the package's icon.
   [MinVersion=4] ActionType action_type;
   [MinVersion=6] bool is_preferred;
   [MinVersion=11] string? action;  // e.g. "android.intent.action.VIEW"
+  // RequestUrlHandlerList may fill |fallback_url| when it is called with an
+  // intent: URL.
+  [MinVersion=14] string? fallback_url;
 };
 
 // Describes an activity.
 struct ActivityName {
   string package_name;
   string activity_name;
 };
 
 // Describes an icon for the activity.
 struct ActivityIcon {
@@ skipping 80 matching lines @@
   // specified.  Data can be sent as extras by including a JSON map string which
   // will be automatically converted to a bundle accessible by the receiver.
   //
   // Note: Broadcasts can only be sent to whitelisted packages.  Packages can be
   // added to the whitelist in ArcBridgeService.java in the Android source.
   [MinVersion=1] SendBroadcast@1(string action,
                                  string package_name,
                                  string cls,
                                  string extras);
 };