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

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 2374e0c989bd6950b190e540e530b2e4f2bcb0f1..9a73bb93e572daff9a8b9e0b87af4d101b48e503 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2342,6 +2342,12 @@ bool RenderViewImpl::handleCurrentKeyboardEvent() {
   return did_execute_command;
 }
 
+void RenderViewImpl::didScrollWithKeyboard(const WebKit::WebFloatSize& delta) {
+  if (delta.height != 0.f)
+    compositor_->UpdateTopControlsStatePreservingConstraints(
+        delta.height < 0.f);
+}
+
 WebKit::WebColorChooser* RenderViewImpl::createColorChooser(
     WebKit::WebColorChooserClient* client,
     const WebKit::WebColor& initial_color) {