Aura: Send SetActive IPC to the renderer when focused.

TBR=sky@chromium.org
BUG=106897
TEST=cursor appears in a textfield on focus.

Review URL: http://codereview.chromium.org/8879049

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113855 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/renderer_host/render_widget_host_view_aura.cc

@@ -474,9 +474,11 @@ void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
 
 void RenderWidgetHostViewAura::OnFocus() {
   host_->GotFocus();
+  host_->SetActive(true);
 }
 
 void RenderWidgetHostViewAura::OnBlur() {
+  host_->SetActive(false);
   host_->Blur();
 }