Merge 164146 - Handle OnBoundsChanged for fullscreen RWHV because it dosen't have WebContentsViewAu…

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
===================================================================
--- content/browser/renderer_host/render_widget_host_view_aura.cc	(revision 165064)
+++ content/browser/renderer_host/render_widget_host_view_aura.cc	(working copy)
@@ -1203,8 +1203,11 @@
 
 void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                                const gfx::Rect& new_bounds) {
-  // We don't care about this one, we are always sized via SetSize() or
-  // SetBounds().
+  // We care about this only in fullscreen mode, where there is no
+  // WebContentsViewAura. We are sized via SetSize() or SetBounds() by
+  // WebContentsViewAura in other cases.
+  if (is_fullscreen_)
+    SetSize(new_bounds.size());
 }
 
 void RenderWidgetHostViewAura::OnFocus(aura::Window* old_focused_window) {