First pass on intents options UI.

content/common/view_messages.h

 // Copyright (c) 2011 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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/common_param_traits.h"
@@ skipping 2023 matching lines @@
                     GURL /* url */,
                     string16 /* title */)
 
 // Register a new handler for Intents with the given action and type filter.
 IPC_MESSAGE_ROUTED4(ViewHostMsg_RegisterIntentHandler,
                     string16 /* action */,
                     string16 /* type */,
                     string16 /* href */,
                     string16 /* title */)
 
+// Route the startActivity Intents call from a page to the service picker.
+IPC_MESSAGE_ROUTED5(ViewHostMsg_WebIntentDispatch,
+                    int /* routing id */,
+                    string16 /* action */,
+                    string16 /* type */,
+                    string16 /* payload data */,
+                    int /* intent ID */)
+
 // Stores new inspector setting in the profile.
 // TODO(jam): this should be in the chrome module
 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateInspectorSetting,
                     std::string,  /* key */
                     std::string /* value */)
 
 // Send back a string to be recorded by UserMetrics.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
                      std::string /* action */)
 
@@ skipping 18 matching lines @@
                     int32 /* complete status */)
 
 // Request updated information about the client firewall traversal policy.
 // Will result in a ViewMsg_UpdateRemoteAccessClientFirewallTraversal message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_RequestRemoteAccessClientFirewallTraversal)
 
 // Notifies the browser of an event occurring in the media pipeline.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvent,
                      media::MediaLogEvent /* event */)