Improve ergonomics of CanvasImageSource -> gfx::ImageSkia.

ui/gfx/paint_vector_icon.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 "ui/gfx/paint_vector_icon.h"
 
 #include <map>
 #include <tuple>
 
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/canvas_image_source.h"
 #include "ui/gfx/scoped_canvas.h"
 #include "ui/gfx/vector_icon_types.h"
 #include "ui/gfx/vector_icons_public.h"
@@ skipping 566 matching lines @@
                                     SkColor color,
                                     const VectorIcon& badge_icon) {
   return icon.is_empty() ? gfx::ImageSkia()
                          : g_icon_cache.Get().GetOrCreateIcon(
                                icon, dip_size, color, badge_icon);
 }
 
 ImageSkia CreateVectorIconFromSource(const std::string& source,
                                      int dip_size,
                                      SkColor color) {
-  return ImageSkia(new VectorIconSourceLegacy(source, dip_size, color),
-                   gfx::Size(dip_size, dip_size));
+  return CanvasImageSource::MakeImageSkia<VectorIconSourceLegacy>(
+      source, dip_size, color);
 }
 
 }  // namespace gfx