Improve switch between gestures and touch mode when kEnableTouchEvents

content/browser/renderer_host/render_widget_host_view_gtk.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_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 1170 matching lines @@
 
 void RenderWidgetHostViewGtk::DestroyPluginContainer(
     gfx::PluginWindowHandle id) {
   plugin_container_manager_.DestroyPluginContainer(id);
 }
 
 void RenderWidgetHostViewGtk::UnhandledWheelEvent(
     const WebKit::WebMouseWheelEvent& event) {
 }
 
-void RenderWidgetHostViewGtk::ProcessTouchAck(bool processed) {
+void RenderWidgetHostViewGtk::ProcessTouchAck(
+    WebKit::WebInputEvent::Type type, bool processed) {
 }
 
 void RenderWidgetHostViewGtk::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
 }
 
 void RenderWidgetHostViewGtk::SetScrollOffsetPinning(
     bool is_pinned_to_left, bool is_pinned_to_right) {
 }
 
@@ skipping 214 matching lines @@
   return new RenderWidgetHostViewGtk(widget);
 }
 
 // static
 void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }