Add "Open with <ARC-app-name>" items to the context menu

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.
 
 module arc;
 
+// Describes a package that can handle a URL.
+struct UrlHandlerInfo {
+  string name;
+  string package_name;
+  string activity_name;  // A hint for retrieving the package's icon.
+};
+
 // Handles intents from ARC in Chrome.
 interface IntentHelperHost {
   // Opens the url with Chrome for Chrome OS.
   OnOpenUrl@0(string url);
 };
 
 // Sends intents to ARC on behalf of Chrome.
 interface IntentHelperInstance {
+  // Handles the URL by sending an ACTION_VIEW intent to the package. The
+  // most suitable activity for the URL within the package will be started.
+  [MinVersion=2] HandleUrl@2(string url, string package_name);
+
   // Establishes full-duplex communication with the host.
   Init@0(IntentHelperHost host_ptr);
 
+  // Requests a list of packages that can handle the URL.
+  [MinVersion=2] RequestUrlHandlerList@3(string url)
+      => (array<UrlHandlerInfo> handlers);
+
   // Send an Android broadcast message to the Android package and class
   // 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);
 };