ui: Move NativeTheme files into ui/base/native_theme/ directory.

ui/base/native_theme/native_theme_aura.cc

 // 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.
 
-#include "ui/gfx/native_theme_aura.h"
+#include "ui/base/native_theme/native_theme_aura.h"
 
 #include "base/logging.h"
 #include "grit/gfx_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/skbitmap_operations.h"
 
 namespace {
 
@@ skipping 26 matching lines @@
 const SkColor kTextfieldDefaultBackground = SK_ColorWHITE;
 const SkColor kTextfieldSelectionBackgroundFocused =
     SkColorSetARGB(0x54, 0x60, 0xA8, 0xEB);
 const SkColor kTextfieldSelectionBackgroundUnfocused = SK_ColorLTGRAY;
 const SkColor kTextfieldSelectionColor =
     color_utils::AlphaBlend(SK_ColorBLACK,
         kTextfieldSelectionBackgroundFocused, 0xdd);
 
 }  // namespace
 
-namespace gfx {
+namespace ui {
 
 // static
 const NativeTheme* NativeTheme::instance() {
   return NativeThemeAura::instance();
 }
 
 // static
 const NativeThemeAura* NativeThemeAura::instance() {
   CR_DEFINE_STATIC_LOCAL(NativeThemeAura, s_native_theme, ());
   return &s_native_theme;
@@ skipping 222 matching lines @@
       SkBitmap* center = rb.GetBitmapNamed(center_resource_id);
       DrawTiledImage(canvas, *center,
                      0, 0, 1.0, 1.0,
                      rect.x() + left->width(), rect.y(),
                      rect.width() - left->width() - right->width(),
                      center->height());
     }
   }
 }
 
-}  // namespace gfx
+}  // namespace ui