[mac][views] Notify web_contents focused.

content/browser/web_contents/web_contents_view_mac.mm

Index: content/browser/web_contents/web_contents_view_mac.mm
diff --git a/content/browser/web_contents/web_contents_view_mac.mm b/content/browser/web_contents/web_contents_view_mac.mm
index b87c8b96365db41b59054e359dbcec885d3f729c..78fbfe943a72402a571fb5a8644ed44ee83f0413 100644
--- a/content/browser/web_contents/web_contents_view_mac.mm
+++ b/content/browser/web_contents/web_contents_view_mac.mm
@@ -226,8 +226,7 @@ void WebContentsViewMac::UpdateDragCursor(WebDragOperation operation) {
 }
 
 void WebContentsViewMac::GotFocus() {
-  // This is only used in the views FocusManager stuff but it bleeds through
-  // all subclasses. http://crbug.com/21875
+  web_contents_->NotifyWebContentsFocused();
 }
 
 // This is called when the renderer asks us to take focus back (i.e., it has