Revert "Send input event IPCs directly from the UI thread"

content/browser/renderer_host/render_widget_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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <tuple>
@@ skipping 215 matching lines @@
   process_->AddRoute(routing_id_, this);
 
   // If we're initially visible, tell the process host that we're alive.
   // Otherwise we'll notify the process host when we are first shown.
   if (!hidden)
     process_->WidgetRestored();
 
   latency_tracker_.Initialize(routing_id_, GetProcess()->GetID());
 
   input_router_.reset(new InputRouterImpl(
-      process_->GetImmediateSender(), this, this, routing_id_,
-      GetInputRouterConfigForPlatform()));
+      process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
 
   touch_emulator_.reset();
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableHangMonitor)) {
     hang_monitor_timeout_.reset(new TimeoutMonitor(
         base::Bind(&RenderWidgetHostImpl::RendererIsUnresponsive,
                    weak_factory_.GetWeakPtr())));
   }
 
@@ skipping 1126 matching lines @@
   if (view_) {
     view_->RenderProcessGone(status, exit_code);
     view_.reset();  // The View should be deleted by RenderProcessGone.
   }
 
   // Reconstruct the input router to ensure that it has fresh state for a new
   // renderer. Otherwise it may be stuck waiting for the old renderer to ack an
   // event. (In particular, the above call to view_->RenderProcessGone will
   // destroy the aura window, which may dispatch a synthetic mouse move.)
   input_router_.reset(new InputRouterImpl(
-      process_->GetImmediateSender(), this, this, routing_id_,
-      GetInputRouterConfigForPlatform()));
+      process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
 
   synthetic_gesture_controller_.reset();
 }
 
 void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) {
   text_direction_updated_ = true;
   text_direction_ = direction;
 }
 
 void RenderWidgetHostImpl::CancelUpdateTextDirection() {
@@ skipping 806 matching lines @@
   return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL;
 }
 
 BrowserAccessibilityManager*
     RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
   return delegate_ ?
       delegate_->GetOrCreateRootBrowserAccessibilityManager() : NULL;
 }
 
 }  // namespace content