Hide location bar on Javascript-initiated scroll.

content/renderer/render_view_impl_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_view_impl.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/renderer/gpu/render_widget_compositor.h"
 
 namespace content {
 
 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
                                               bool enable_showing,
                                               bool animate) {
   // TODO(tedchoc): Investigate why messages are getting here before the
   //                compositor has been initialized.
   LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
   if (compositor_)
     compositor_->UpdateTopControlsState(enable_hiding, enable_showing, animate);
 }
 
+void RenderViewImpl::OnShowTopControls(bool show) {
+  DCHECK(compositor_);

[Ted C, 2013/04/16 02:05:58]

Probably should remove the DCHECK as this was crashing above

+  if (compositor_)
+    compositor_->ShowTopControls(show);
+}
+
 }  // namespace content