Add handler and mojo interface to accept android intent filters.

components/arc/common/intent_helper.mojom

Index: components/arc/common/intent_helper.mojom
diff --git a/components/arc/common/intent_helper.mojom b/components/arc/common/intent_helper.mojom
index c8d2944d2197e36ffc50200a825c69dd4cd3a469..b8fb48aedae8250210fc83f4e4aacf66ca110aa7 100644
--- a/components/arc/common/intent_helper.mojom
+++ b/components/arc/common/intent_helper.mojom
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Next MinVersion: 9
+// Next MinVersion: 10
 
 module arc.mojom;
 
@@ -15,6 +15,12 @@ enum ActionType {
   SEND_MULTIPLE,
 };
 
+struct IntentFilter {
+  array<string> actions;
+  array<string> categories;
+  array<string> data_schemes;
+};
+
 // Describes a package that can handle a URL.
 struct UrlHandlerInfo {
   string name;
@@ -45,11 +51,15 @@ struct UrlWithMimeType {
 };
 
 // Handles intents from ARC in Chrome.
-// Next method ID: 5
+// Next method ID: 6
 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=9] OnIntentFiltersUpdated@5(array<IntentFilter> intent_filters);
+
   // Opens the downloads directory in the Chrome OS file manager.
   [MinVersion=5] OnOpenDownloads@2();