Make SendGeolocationPermissionResponse execute on UI thread.

content/browser/geolocation/geolocation_dispatcher_host.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/geolocation/geolocation_dispatcher_host.h"
 
 #include <map>
 #include <set>
 #include <utility>
 
@@ skipping 15 matching lines @@
 
 void NotifyArbitratorPermissionGranted() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   GeolocationProvider::GetInstance()->OnPermissionGranted();
 }
 
 void SendGeolocationPermissionResponse(int render_process_id,
                                        int render_view_id,
                                        int bridge_id,
                                        bool allowed) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   RenderViewHostImpl* r = RenderViewHostImpl::FromID(
       render_process_id, render_view_id);
   if (!r)
     return;
   r->Send(new GeolocationMsg_PermissionSet(render_view_id, bridge_id, allowed));
 
   if (allowed) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&NotifyArbitratorPermissionGranted));
@@ skipping 96 matching lines @@
   DVLOG(1) << __FUNCTION__ << " " << render_process_id_ << ":"
            << render_view_id << ":" << bridge_id;
   if (geolocation_permission_context_) {
     geolocation_permission_context_->RequestGeolocationPermission(
         render_process_id_, render_view_id, bridge_id,
         requesting_frame,
         base::Bind(
             &SendGeolocationPermissionResponse,
             render_process_id_, render_view_id, bridge_id));
   } else {
-    SendGeolocationPermissionResponse(
-        render_process_id_, render_view_id, bridge_id, true);
+    BrowserThread::PostTask(
+        BrowserThread::UI, FROM_HERE,
+        base::Bind(
+            &SendGeolocationPermissionResponse,
+            render_process_id_, render_view_id, bridge_id, true));
   }
 }
 
 void GeolocationDispatcherHostImpl::OnCancelPermissionRequest(
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DVLOG(1) << __FUNCTION__ << " " << render_process_id_ << ":"
            << render_view_id << ":" << bridge_id;
@@ skipping 50 matching lines @@
 }
 }  // namespace
 
 GeolocationDispatcherHost* GeolocationDispatcherHost::New(
     int render_process_id,
     GeolocationPermissionContext* geolocation_permission_context) {
   return new GeolocationDispatcherHostImpl(
       render_process_id,
       geolocation_permission_context);
 }