Pin keyboard works with virtual keyboard.

chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
index e260f3fa102a460bc5713da3e60ee48466b70cab..7d6ff0de602d8048e09c6d91a7284dda6fdc86fa 100644
--- a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
@@ -278,6 +278,10 @@ void CoreOobeHandler::ShowControlBar(bool show) {
   CallJSOrDefer("showControlBar", show);
 }
 
+void CoreOobeHandler::ShowPinKeyboard(bool show) {
+  CallJSOrDefer("showPinKeyboard", show);
+}
+
 void CoreOobeHandler::SetClientAreaSize(int width, int height) {
   CallJSOrDefer("setClientAreaSize", width, height);
 }
@@ -449,6 +453,7 @@ void CoreOobeHandler::UpdateKeyboardState() {
   if (keyboard_controller) {
     gfx::Rect bounds = keyboard_controller->current_keyboard_bounds();
     ShowControlBar(bounds.IsEmpty());
+    ShowPinKeyboard(bounds.IsEmpty());
   }
 }