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

chrome/browser/renderer_host/resource_message_filter.cc

Index: chrome/browser/renderer_host/resource_message_filter.cc
diff --git a/chrome/browser/renderer_host/resource_message_filter.cc b/chrome/browser/renderer_host/resource_message_filter.cc
index b6bf8547834e35c9888e3f145b9edf40143e488d..a91ebb5d1e91110135dd9b73c650025b7b661ed1 100644
--- a/chrome/browser/renderer_host/resource_message_filter.cc
+++ b/chrome/browser/renderer_host/resource_message_filter.cc
@@ -52,6 +52,7 @@
 #include "chrome/browser/renderer_host/database_dispatcher_host.h"
 #include "chrome/browser/renderer_host/render_view_host_notification_task.h"
 #include "chrome/browser/renderer_host/render_widget_helper.h"
+#include "chrome/browser/search_engines/search_provider_install_state_dispatcher_host.h"
 #include "chrome/browser/speech/speech_input_dispatcher_host.h"
 #include "chrome/browser/spellchecker_platform_engine.h"
 #include "chrome/browser/task_manager.h"
@@ -243,6 +244,9 @@ ResourceMessageFilter::ResourceMessageFilter(
       ALLOW_THIS_IN_INITIALIZER_LIST(geolocation_dispatcher_host_(
           GeolocationDispatcherHost::New(
               this->id(), profile->GetGeolocationPermissionContext()))),
+      ALLOW_THIS_IN_INITIALIZER_LIST(
+          search_provider_install_state_dispatcher_host_(
+              new SearchProviderInstallStateDispatcherHost(this, profile))),
       ALLOW_THIS_IN_INITIALIZER_LIST(device_orientation_dispatcher_host_(
           new device_orientation::DispatcherHost(this->id()))) {
   request_context_ = profile_->GetRequestContext();
@@ -345,6 +349,8 @@ bool ResourceMessageFilter::OnMessageReceived(const IPC::Message& msg) {
           msg, this, next_route_id_callback(), &msg_is_ok) ||
       geolocation_dispatcher_host_->OnMessageReceived(msg, &msg_is_ok) ||
       speech_input_dispatcher_host_->OnMessageReceived(msg, &msg_is_ok) ||
+      search_provider_install_state_dispatcher_host_->OnMessageReceived(
+          msg, &msg_is_ok) ||
       device_orientation_dispatcher_host_->OnMessageReceived(msg, &msg_is_ok);
 
   if (!handled) {