Hide location bar on WebKit programmatic scroll.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index d48a82b1ae30a39acf5173fde91525eb292fa2f1..de9a6e3ba1fbf8168cd58c8e41978b83d9974a80 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -917,6 +917,8 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
   IPC_BEGIN_MESSAGE_MAP_EX(RenderViewHostImpl, msg, msg_is_ok)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowView, OnShowView)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowWidget, OnShowWidget)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RequestShowTopControls,
+                        OnRequestShowTopControls)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowFullscreenWidget,
                         OnShowFullscreenWidget)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunModal, OnRunModal)
@@ -1077,6 +1079,10 @@ void RenderViewHostImpl::OnShowWidget(int route_id,
   Send(new ViewMsg_Move_ACK(route_id));
 }
 
+void RenderViewHostImpl::OnRequestShowTopControls(bool show) {
+  delegate_->RequestShowTopControls(show);
+}
+
 void RenderViewHostImpl::OnShowFullscreenWidget(int route_id) {
   if (!is_swapped_out_)
     delegate_->ShowCreatedFullscreenWidget(route_id);