Add support for calculating the position of the top controls in the cc layer.

content/browser/renderer_host/compositor_impl_android.cc

Index: content/browser/renderer_host/compositor_impl_android.cc
diff --git a/content/browser/renderer_host/compositor_impl_android.cc b/content/browser/renderer_host/compositor_impl_android.cc
index a89c2e740a0437126a0996942074e7e05dbe181d..73df1a656929fce0dce85922eef9e52be7a26ed0 100644
--- a/content/browser/renderer_host/compositor_impl_android.cc
+++ b/content/browser/renderer_host/compositor_impl_android.cc
@@ -172,6 +172,8 @@ void CompositorImpl::SetVisible(bool visible) {
   } else if (!host_.get()) {
     cc::LayerTreeSettings settings;
     settings.refreshRate = 60.0;
+    settings.calculateTopControlsPosition = false;
+    settings.topControlsHeightPx = 0;
 
     // Do not clear the framebuffer when rendering into external GL contexts
     // like Android View System's.