Add handler and mojo interface to accept android intent filters.

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: 8
+// Next MinVersion: 9
 module arc.mojom;
 
 import "scale_factor.mojom";
 
 // Describes the type of action to invoke.
+[Extensible]
 enum ActionType {
   VIEW,
   SEND,
   SEND_MULTIPLE,
 };
 
+[Extensible]
+enum PatternType {
+  PATTERN_LITERAL,
+  PATTERN_PREFIX,
+  PATTERN_SIMPLE_GLOB,
+};
+
+struct PatternMatcher {
+  string pattern;
+  PatternType type;
+};
+
+struct AuthorityEntry {
+ string host;
+ int32 port;
+};
+
+struct IntentFilter {
+  array<string> actions;
+  array<string> categories;
+  array<string> data_schemes;
+  array<AuthorityEntry> data_authorities;
+  array<PatternMatcher> data_paths;
+  array<PatternMatcher> data_scheme_specific_parts;
+};
+
 // 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.
   [MinVersion=4] ActionType action;
   [MinVersion=6] bool is_preferred;
 };
 
 // Describes an activity.
@@ skipping 10 matching lines @@
   array<uint8> icon;  // in BGRA8888 format
 };
 
 // URL associated with its mime type.
 struct UrlWithMimeType {
   string url;
   string mime_type;
 };
 
 // Handles intents from ARC in Chrome.
-// Next method ID: 4
+// Next method ID: 5
 interface IntentHelperHost {
   // Called when icons associated with the package are no longer up to date.
   [MinVersion=3] OnIconInvalidated@1(string package_name);
 
+  // Called when intent filters are updated. Either on startup or when
+  // apps are installed or uninstalled.
+  [MinVersion=8] OnIntentFiltersUpdated@4(array<IntentFilter> intent_filters);
+
   // Opens the downloads directory in the Chrome OS file manager.
   [MinVersion=5] OnOpenDownloads@2();
 
   // Opens the url with Chrome for Chrome OS.
   OnOpenUrl@0(string url);
 
   // Opens the wallpaper picker dialog.
   [MinVersion=6] OpenWallpaperPicker@3();
 };
 
@@ skipping 42 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);
 };