Introduce ui.dll / libui.so for the component build.

ui/gfx/transform.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_GFX_TRANSFORM_H_
 #define UI_GFX_TRANSFORM_H_
 #pragma once
 
 #include "third_party/skia/include/utils/SkMatrix44.h"
+#include "ui/ui_api.h"
 
 namespace gfx {
 class Rect;
 class Point;
 class Point3f;
 }
 
 namespace ui {
 
 // 4x4 transformation matrix. Transform is cheap and explicitly allows
 // copy/assign.
-class Transform {
+class UI_API Transform {
  public:
   Transform();
   ~Transform();
 
   bool operator==(const Transform& rhs) const;
   bool operator!=(const Transform& rhs) const;
 
   // NOTE: The 'Set' functions overwrite the previously set transformation
   // parameters. The 'Concat' functions apply a transformation (e.g. rotation,
   // scale, translate) on top of the existing transforms, instead of overwriting
@@ skipping 75 matching lines @@
                               gfx::Point3f& point) const;
 
   SkMatrix44 matrix_;
 
   // copy/assign are allowed.
 };
 
 }// namespace ui
 
 #endif  // UI_GFX_TRANSFORM_H_