Allows fullscreen to be triggered with the key events used for scrolling.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 18af1cd6b13b7d842837ef4705ea252acaf6529b..29946d1780274df31bc51994cbbb1b6d6a8a711d 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -352,6 +352,14 @@ void RenderWidgetCompositor::SetLatencyInfo(
   layer_tree_host_->SetLatencyInfo(latency_info);
 }
 
+void RenderWidgetCompositor::ShowTopControls(bool show) {
+  layer_tree_host_->ShowTopControls(show);
+}
+
+float RenderWidgetCompositor::GetTopControlsOffset() {
+  return layer_tree_host_->GetTopControlsOffset();
+}
+
 bool RenderWidgetCompositor::initialize(cc::LayerTreeSettings settings) {
   scoped_ptr<cc::Thread> impl_thread;
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy =