Adds View::GetNativeTheme() to get the NativeTheme. The interesting

ui/views/view.h

 // Copyright (c) 2012 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_VIEWS_VIEW_H_
 #define UI_VIEWS_VIEW_H_
 
 #include <algorithm>
 #include <map>
 #include <set>
@@ skipping 28 matching lines @@
 class Canvas;
 class Insets;
 class Path;
 class Transform;
 }
 
 namespace ui {
 struct AccessibleViewState;
 class Compositor;
 class Layer;
+class NativeTheme;
 class TextInputClient;
 class Texture;
 class ThemeProvider;
 }
 
 #if defined(OS_WIN)
 class __declspec(uuid("26f5641a-246d-457b-a96d-07f3fae6acf2"))
 NativeViewAccessibilityWin;
 #endif
 
@@ skipping 405 matching lines @@
   Border* border() { return border_.get(); }
 
   // The focus_border object is owned by this object and may be NULL.
   void set_focus_border(FocusBorder* b) { focus_border_.reset(b); }
   const FocusBorder* focus_border() const { return focus_border_.get(); }
   FocusBorder* focus_border() { return focus_border_.get(); }
 
   // Get the theme provider from the parent widget.
   virtual ui::ThemeProvider* GetThemeProvider() const;
 
+  // Returns the NativeTheme to use for this View. This calls through to
+  // GetNativeTheme() on the Widget this View is in. If this View is not in a
+  // Widget this returns NULL.
+  ui::NativeTheme* GetNativeTheme();
+
   // RTL painting --------------------------------------------------------------
 
   // This method determines whether the gfx::Canvas object passed to
   // View::Paint() needs to be transformed such that anything drawn on the
   // canvas object during View::Paint() is flipped horizontally.
   //
   // By default, this function returns false (which is the initial value of
   // |flip_canvas_on_paint_for_rtl_ui_|). View subclasses that need to paint on
   // a flipped gfx::Canvas when the UI layout is right-to-left need to call
   // EnableCanvasFlippingForRTLUI().
@@ skipping 988 matching lines @@
   base::win::ScopedComPtr<NativeViewAccessibilityWin>
       native_view_accessibility_win_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEW_H_