Revert 236254 "Replace old with new synthetic gesture framework."

trunk/src/content/browser/renderer_host/render_widget_host_view_aura.cc

Index: trunk/src/content/browser/renderer_host/render_widget_host_view_aura.cc
===================================================================
--- trunk/src/content/browser/renderer_host/render_widget_host_view_aura.cc	(revision 236262)
+++ trunk/src/content/browser/renderer_host/render_widget_host_view_aura.cc	(working copy)
@@ -29,6 +29,7 @@
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/touch_smooth_scroll_gesture_aura.h"
 #include "content/browser/renderer_host/ui_events_helper.h"
 #include "content/browser/renderer_host/web_input_event_aura.h"
 #include "content/common/gpu/client/gl_helper.h"
@@ -2048,6 +2049,18 @@
       new SyntheticGestureTargetAura(host_));
 }
 
+SyntheticGesture* RenderWidgetHostViewAura::CreateSmoothScrollGesture(
+    bool scroll_down,
+    int pixels_to_scroll,
+    int mouse_event_x,
+    int mouse_event_y) {
+  return new TouchSmoothScrollGestureAura(scroll_down,
+                                          pixels_to_scroll,
+                                          mouse_event_x,
+                                          mouse_event_y,
+                                          window_);
+}
+
 void RenderWidgetHostViewAura::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
   // Not needed. Mac-only.