Add the ability for keys to be drawn as an image.

services/keyboard_native/view_observer_delegate.cc

 // Copyright 2015 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 <math.h>
 
 #include "services/keyboard_native/view_observer_delegate.h"
 
 #include "base/bind.h"
 #include "base/sys_info.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/skia/ganesh_surface.h"
 #include "services/keyboard_native/clip_animation.h"
 #include "services/keyboard_native/keyboard_service_impl.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkTypeface.h"
+#include "ui/gfx/geometry/rect_f.h"
 
 namespace keyboard {
 
 static const base::TimeDelta kAnimationDurationMs =
     base::TimeDelta::FromMilliseconds(1000);
 
 mojo::Size ToSize(const mojo::Rect& rect) {
   mojo::Size size;
   size.width = rect.width;
   size.height = rect.height;
@@ skipping 240 matching lines @@
 
 void ViewObserverDelegate::OnViewDestroyed(mojo::View* view) {
   if (view_ == view) {
     view_->RemoveObserver(this);
     view_ = nullptr;
     gl_context_->Destroy();
   }
 }
 
 }  // namespace keyboard