Use guest's existing GestureRecognizer instead of global one.

content/browser/frame_host/render_widget_host_view_guest.cc

Index: content/browser/frame_host/render_widget_host_view_guest.cc
diff --git a/content/browser/frame_host/render_widget_host_view_guest.cc b/content/browser/frame_host/render_widget_host_view_guest.cc
index 17abb252d92c7562124ec8045e335e6c7e332e3d..4b7b62640953ccaadd9d044b03966e87e95b46f2 100644
--- a/content/browser/frame_host/render_widget_host_view_guest.cc
+++ b/content/browser/frame_host/render_widget_host_view_guest.cc
@@ -141,12 +141,11 @@ void RenderWidgetHostViewGuest::ProcessAckedTouchEvent(
       INPUT_EVENT_ACK_STATE_CONSUMED) ? ui::ER_HANDLED : ui::ER_UNHANDLED;
   for (ScopedVector<ui::TouchEvent>::iterator iter = events.begin(),
       end = events.end(); iter != end; ++iter)  {
-    if (!ui::GestureRecognizer::Get()->ProcessTouchEventPreDispatch(*(*iter),
-                                                                    this)) {
+    if (!gesture_recognizer_->ProcessTouchEventPreDispatch(*(*iter), this))
       continue;
-    }
+
     scoped_ptr<ui::GestureRecognizer::Gestures> gestures;
-    gestures.reset(ui::GestureRecognizer::Get()->ProcessTouchEventPostDispatch(
+    gestures.reset(gesture_recognizer_->ProcessTouchEventPostDispatch(
         *(*iter), result, this));
     ProcessGestures(gestures.get());
   }