Skeleton of sync handler on the I/O thread for GetSearchProviderInstallState.

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1583 matching lines @@
 
   // Notification that the page has an OpenSearch description document
   // associated with it.
   IPC_MESSAGE_ROUTED3(ViewHostMsg_PageHasOSDD,
                       int32 /* page_id */,
                       GURL /* url of OS description document */,
                       bool /* autodetected */)
 
   // Find out if the given url's security origin is installed as a search
   // provider.
-  IPC_SYNC_MESSAGE_ROUTED1_1(
+  IPC_SYNC_MESSAGE_ROUTED2_1(
       ViewHostMsg_GetSearchProviderInstallState,
-      GURL,
+      GURL /* page url */,
+      GURL /* inquiry url */,
       ViewHostMsg_GetSearchProviderInstallState_Params /* install */)
 
   // Required for updating text input state.
   IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeUpdateTextInputState,
                       WebKit::WebTextInputType, /* text_input_type */
                       gfx::Rect /* caret_rect */)
 
   // Required for cancelling an ongoing input method composition.
   IPC_MESSAGE_ROUTED0(ViewHostMsg_ImeCancelComposition)
 
@@ skipping 1027 matching lines @@
 
   // A RenderView requests to start receiving device orientation updates.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StartUpdating,
                        int /* render_view_id */)
 
   // A RenderView requests to stop receiving device orientation updates.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StopUpdating,
                        int /* render_view_id */)
 
 IPC_END_MESSAGES(ViewHost)