Defer GestureTapDown events briefly.

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 <utility>
 
 #include "base/auto_reset.h"
@@ skipping 910 matching lines @@
 void RenderWidgetHostImpl::ForwardGestureEvent(
     const WebKit::WebGestureEvent& gesture_event) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::ForwardGestureEvent");
   if (ignore_input_events_ || process_->IgnoreInputEvents() ||
       !gesture_event_filter_->ShouldForward(gesture_event))
     return;
 
   ForwardInputEvent(gesture_event, sizeof(WebGestureEvent), false);
 }
 
+void RenderWidgetHostImpl::ForwardGestureEventImmediately(
+    const WebKit::WebGestureEvent& gesture_event) {
+  if (ignore_input_events_ || process_->IgnoreInputEvents())
+    return;
+  ForwardInputEvent(gesture_event, sizeof(WebGestureEvent), false);
+}
+
 void RenderWidgetHostImpl::ForwardKeyboardEvent(
     const NativeWebKeyboardEvent& key_event) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::ForwardKeyboardEvent");
   if (ignore_input_events_ || process_->IgnoreInputEvents())
     return;
 
   if (key_event.type == WebKeyboardEvent::Char &&
       (key_event.windowsKeyCode == ui::VKEY_RETURN ||
        key_event.windowsKeyCode == ui::VKEY_SPACE)) {
     OnUserGesture();
@@ skipping 1073 matching lines @@
   // indicate that no callback is in progress (i.e. without this line
   // DelayedAutoResized will not get called again).
   new_auto_size_.SetSize(0, 0);
   if (!should_auto_resize_)
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 }  // namespace content