Navigation transitions: Block first response until after transitions have run.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 85 matching lines @@
 #include "content/browser/renderer_host/websocket_dispatcher_host.h"
 #include "content/browser/resolve_proxy_msg_helper.h"
 #include "content/browser/screen_orientation/screen_orientation_dispatcher_host.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 #include "content/browser/shared_worker/shared_worker_message_filter.h"
 #include "content/browser/speech/speech_recognition_dispatcher_host.h"
 #include "content/browser/storage_partition_impl.h"
 #include "content/browser/streams/stream_context.h"
 #include "content/browser/tracing/trace_message_filter.h"
+#include "content/browser/transition_request_message_filter.h"
 #include "content/browser/vibration/vibration_message_filter.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/worker_host/worker_message_filter.h"
 #include "content/browser/worker_host/worker_storage_partition.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/mojo/mojo_messages.h"
 #include "content/common/resource_messages.h"
@@ skipping 711 matching lines @@
   AddFilter(new HistogramMessageFilter());
 #if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableMemoryBenchmarking))
     AddFilter(new MemoryBenchmarkMessageFilter());
 #endif
   AddFilter(new VibrationMessageFilter());
   screen_orientation_dispatcher_host_ = new ScreenOrientationDispatcherHost();
   AddFilter(screen_orientation_dispatcher_host_);
   AddFilter(new PushMessagingMessageFilter());
+  AddFilter(new TransitionRequestMessageFilter(GetID()));
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
 
 void RenderProcessHostImpl::ResumeDeferredNavigation(
     const GlobalRequestID& request_id) {
   widget_helper_->ResumeDeferredNavigation(request_id);
 }
 
+void RenderProcessHostImpl::ResumeResponseDeferredAtStart(
+    const GlobalRequestID& request_id) {
+  widget_helper_->ResumeResponseDeferredAtStart(request_id);
+}
+
 void RenderProcessHostImpl::NotifyTimezoneChange() {
   Send(new ViewMsg_TimezoneChange());
 }
 
 void RenderProcessHostImpl::AddRoute(
     int32 routing_id,
     IPC::Listener* listener) {
   listeners_.AddWithID(listener, routing_id);
 }
 
@@ skipping 1215 matching lines @@
     mojo::ScopedMessagePipeHandle handle) {
   mojo_activation_required_ = true;
   MaybeActivateMojo();
 
   mojo::AllocationScope scope;
   mojo_application_host_->shell_client()->AcceptConnection(service_name,
                                                            handle.Pass());
 }
 
 }  // namespace content