Fix 'VirtualKeyboard.InitLatency.FirstLoad' metrics to be recorded for any keyboards.

ui/keyboard/keyboard_controller.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/keyboard/keyboard_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 492 matching lines @@
     container_->SetTransform(gfx::Transform());
     container_->layer()->SetOpacity(1.0);
   }
 }
 
 bool KeyboardController::WillHideKeyboard() const {
   return weak_factory_.HasWeakPtrs();
 }
 
 void KeyboardController::ShowAnimationFinished() {
+  MarkKeyboardLoadFinished();
+
   // Notify observers after animation finished to prevent reveal desktop
   // background during animation.
   NotifyKeyboardBoundsChanging(container_->bounds());
   ui_->EnsureCaretInWorkArea();
 }
 
 void KeyboardController::HideAnimationFinished() {
   ui_->HideKeyboardContainer(container_.get());
   for (KeyboardControllerObserver& observer : observer_list_)
     observer.OnKeyboardHidden();
@@ skipping 11 matching lines @@
     int keyboard_height = GetContainerWindow()->bounds().height();
     const gfx::Rect& root_bounds = container_->GetRootWindow()->bounds();
     gfx::Rect new_bounds = root_bounds;
     new_bounds.set_y(root_bounds.height() - keyboard_height);
     new_bounds.set_height(keyboard_height);
     GetContainerWindow()->SetBounds(new_bounds);
   }
 }
 
 }  // namespace keyboard