touch-event queue: Add a touch-event queue for all platforms.

content/port/browser/render_widget_host_view_port.h

Index: content/port/browser/render_widget_host_view_port.h
diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h
index 29e23041ea7c55cae44475da53c9a5a940dc2f28..45c0a5d149fa178fc4f333546f245ec650648c83 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -261,9 +261,11 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
 
   // Because the associated remote WebKit instance can asynchronously
   // prevent-default on a dispatched touch event, the touch events are queued in
-  // the GestureRecognizer until invocation of ProcessTouchAck releases it to be
-  // processed (when |processed| is false) or ignored (when |processed| is true)
-  virtual void ProcessTouchAck(bool processed) = 0;
+  // the GestureRecognizer until invocation of ProcessAckedTouchEvent releases
+  // it to be processed (when |processed| is false) or ignored (when |processed|
+  // is true).
+  virtual void ProcessAckedTouchEvent(const WebKit::WebTouchEvent& touch,
+                                      bool processed) = 0;
 
   // Asks the view to create a smooth scroll gesture that will be used to
   // simulate a user-initiated scroll.