Center lock screen user pod when virtual keyboard is shown.

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 977fa6c4cb0ae00f9f36308d4a9f70bedb749087..d09f386981e52f1331c76d49161f774de508ef43 100644
--- a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
@@ -218,8 +218,8 @@ void CoreOobeHandler::ShowControlBar(bool show) {
   CallJS("showControlBar", show);
 }
 
-void CoreOobeHandler::SetKeyboardState(bool shown) {
-  CallJS("setKeyboardState", shown);
+void CoreOobeHandler::SetKeyboardState(bool shown, const gfx::Rect& bounds) {
+  CallJS("setKeyboardState", shown, bounds.width(), bounds.height());
 }
 
 void CoreOobeHandler::SetClientAreaSize(int width, int height) {
@@ -358,17 +358,28 @@ void CoreOobeHandler::UpdateDeviceRequisition() {
 }
 
 void CoreOobeHandler::UpdateKeyboardState() {
-  if (login::LoginScrollIntoViewEnabled()) {
+  const std::string& ui_type = oobe_ui_->display_type();
+  if ((ui_type != OobeUI::kLockDisplay &&
+          login::LoginScrollIntoViewEnabled()) ||
+      (ui_type == OobeUI::kLockDisplay &&
+          login::LockScrollIntoViewEnabled())) {
     keyboard::KeyboardController* keyboard_controller =
         keyboard::KeyboardController::GetInstance();
     if (keyboard_controller) {
       gfx::Rect bounds = keyboard_controller->current_keyboard_bounds();
-      SetKeyboardState(!bounds.IsEmpty());
+      SetKeyboardState(!bounds.IsEmpty(), bounds);
     }
   }
 }
 
 void CoreOobeHandler::UpdateClientAreaSize() {
+  // Special case for screen lock. http://crbug.com/377904
+  // No need to update client area size so that virtual keyboard works.
+  if (oobe_ui_->display_type() == OobeUI::kLockDisplay &&
+      login::LockScrollIntoViewEnabled()) {
+    return;
+  }
+
   const gfx::Size& size = ash::Shell::GetScreen()->GetPrimaryDisplay().size();
   SetClientAreaSize(size.width(), size.height());
 }