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

ui/views/native_theme_delegate.h

Index: ui/views/native_theme_delegate.h
diff --git a/ui/views/native_theme_delegate.h b/ui/views/native_theme_delegate.h
index bd6051e3de81c6e308824a072caa71b923ba691b..2c42ec047c5f21072f4ff12d3f438c06455f1e8a 100644
--- a/ui/views/native_theme_delegate.h
+++ b/ui/views/native_theme_delegate.h
@@ -6,7 +6,7 @@
 #define UI_VIEWS_NATIVE_THEME_DELEGATE_H_
 #pragma once
 
-#include "ui/gfx/native_theme.h"
+#include "ui/base/native_theme/native_theme.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/views_export.h"
 
@@ -24,28 +24,28 @@ class VIEWS_EXPORT NativeThemeDelegate {
   virtual ~NativeThemeDelegate() {}
 
   // Get the native theme part that should be drawn.
-  virtual gfx::NativeTheme::Part GetThemePart() const = 0;
+  virtual ui::NativeTheme::Part GetThemePart() const = 0;
 
   // Get the rectangle that should be painted.
   virtual gfx::Rect GetThemePaintRect() const = 0;
 
   // Get the state of the part, along with any extra data needed for drawing.
-  virtual gfx::NativeTheme::State GetThemeState(
-      gfx::NativeTheme::ExtraParams* params) const = 0;
+  virtual ui::NativeTheme::State GetThemeState(
+      ui::NativeTheme::ExtraParams* params) const = 0;
 
   // If the native theme drawign should be animated, return the Animation object
   // that controlls it.  If no animation is ongoing, NULL may be returned.
   virtual const ui::Animation* GetThemeAnimation() const = 0;
 
   // If animation is onging, this returns the background native theme state.
-  virtual gfx::NativeTheme::State GetBackgroundThemeState(
-      gfx::NativeTheme::ExtraParams* params) const = 0;
+  virtual ui::NativeTheme::State GetBackgroundThemeState(
+      ui::NativeTheme::ExtraParams* params) const = 0;
 
   // If animation is onging, this returns the foreground native theme state.
   // This state will be composited over the background using an alpha value
   // based on the current value of the animation.
-  virtual gfx::NativeTheme::State GetForegroundThemeState(
-      gfx::NativeTheme::ExtraParams* params) const = 0;
+  virtual ui::NativeTheme::State GetForegroundThemeState(
+      ui::NativeTheme::ExtraParams* params) const = 0;
 };
 
 }  // namespace views