Fix residue left over from find bar when using accelerated compositing

content/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2011 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.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
@@ skipping 426 matching lines @@
   if (is_hidden_ || !is_accelerated_compositing_active_) {
       return;
   }
 
   // Send out a request to the renderer to paint the view if required.
   if (!repaint_ack_pending_ && !resize_ack_pending_ && !view_being_painted_) {
     repaint_start_time_ = TimeTicks::Now();
     repaint_ack_pending_ = true;
     Send(new ViewMsg_Repaint(routing_id_, current_size_));
   }
-
-  // When we have asked the RenderWidget to resize, and we are still waiting on
-  // a response, block for a little while to see if we can't get a response.
-  // We always block on response because we do not have a backing store.
-  IPC::Message msg;
-  TimeDelta max_delay = TimeDelta::FromMilliseconds(kPaintMsgTimeoutMS);
-  if (process_->WaitForUpdateMsg(routing_id_, max_delay, &msg))
-    OnMessageReceived(msg);
 }
 
 void RenderWidgetHost::StartHangMonitorTimeout(TimeDelta delay) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableHangMonitor)) {
     return;
   }
 
   // If we already have a timer that will expire at or before the given delay,
   // then we have nothing more to do now.  If we have set our end time to null
@@ skipping 682 matching lines @@
     view_->CreatePluginContainer(deferred_plugin_handles_[i]);
 #endif
   }
 
   deferred_plugin_handles_.clear();
 }
 
 void RenderWidgetHost::StartUserGesture() {
   OnUserGesture();
 }