Change name of NativeTheme::instance() to make it clear it's web only.

ui/views/widget/native_widget_mac.mm

 // Copyright 2014 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/views/widget/native_widget_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ui/base/cocoa/constrained_window/constrained_window_animation.h"
 #import "ui/base/cocoa/window_size_constants.h"
 #include "ui/gfx/font_list.h"
 #import "ui/gfx/mac/coordinate_conversion.h"
 #import "ui/gfx/mac/nswindow_frame_controls.h"
 #include "ui/native_theme/native_theme.h"
+#include "ui/native_theme/native_theme_mac.h"
 #import "ui/views/cocoa/bridged_content_view.h"
 #import "ui/views/cocoa/bridged_native_widget.h"
 #import "ui/views/cocoa/native_widget_mac_nswindow.h"
 #import "ui/views/cocoa/views_nswindow_delegate.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/window/native_frame_view.h"
 
 // Self-owning animation delegate that starts a hide animation, then calls
 // -[NSWindow close] when the animation ends, releasing itself.
 @interface ViewsNSWindowCloseAnimator : NSObject<NSAnimationDelegate> {
@@ skipping 516 matching lines @@
     const base::TimeDelta& duration) {
   NOTIMPLEMENTED();
 }
 
 void NativeWidgetMac::SetVisibilityAnimationTransition(
     Widget::VisibilityTransition transition) {
   NOTIMPLEMENTED();
 }
 
 ui::NativeTheme* NativeWidgetMac::GetNativeTheme() const {
-  return ui::NativeTheme::instance();
+  return ui::NativeThemeMac::instance();
 }
 
 void NativeWidgetMac::OnRootViewLayout() {
   // Ensure possible changes to the non-client view (e.g. Minimum/Maximum size)
   // propagate through to the NSWindow properties.
   OnSizeConstraintsChanged();
 }
 
 bool NativeWidgetMac::IsTranslucentWindowOpacitySupported() const {
   return false;
@@ skipping 148 matching lines @@
   [[ViewsNSWindowCloseAnimator alloc] initWithWindow:window];
 }
 
 - (void)animationDidEnd:(NSAnimation*)animation {
   [window_ close];
   [animation_ setDelegate:nil];
   [self release];
 }
 
 @end