Add WebContentObserver::OnWebContentsLostFocus()

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 083e53b5c6842c9ea688b372458141dc20bf914d..c99cba5871d3b558736d3da28e5fdcefc3678dff 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -674,6 +674,12 @@ void RenderViewHostImpl::RenderWidgetGotFocus() {
     view->GotFocus();
 }
 
+void RenderViewHostImpl::RenderWidgetLostFocus() {
+  RenderViewHostDelegateView* view = delegate_->GetDelegateView();
+  if (view)
+    view->LostFocus();
+}
+
 void RenderViewHostImpl::SetInitialFocus(bool reverse) {
   Send(new ViewMsg_SetInitialFocus(GetRoutingID(), reverse));
 }