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

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index 35a97c7a2823d872ed2bf2e5121a5b4e1e3b74f3..d42b008193c445f23f0989378711bdf1c1102e6a 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -238,6 +238,9 @@ class CC_EXPORT LayerTreeHost : NON_EXPORTED_BASE(public RateLimiterClient) {
   void UpdateTopControlsState(TopControlsState constraints,
                               TopControlsState current,
                               bool animate);
+  void UpdateTopControlsStatePreservingConstraints(
+      TopControlsState current,
+      bool animate);
 
   HeadsUpDisplayLayer* hud_layer() const { return hud_layer_.get(); }
 
@@ -366,6 +369,8 @@ class CC_EXPORT LayerTreeHost : NON_EXPORTED_BASE(public RateLimiterClient) {
   };
   LCDTextMetrics lcd_text_metrics_;
 
+  TopControlsState top_controls_constraints_;

[jamesr, 2013/06/10 23:48:31]

where is this initialized?

[Jinsuk Kim, 2013/06/11 04:53:18]

Good catch. Put the initialization in RenderViewImpl constructor.

+
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };