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

chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.mm

 // Copyright 2015 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.
 
 #import "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar_bubble_delegate.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "third_party/skia/include/core/SkColor.h"
 #import "ui/base/cocoa/controls/hyperlink_button_cell.h"
 #import "ui/base/cocoa/hover_button.h"
 #import "ui/base/cocoa/window_size_constants.h"
 #include "ui/native_theme/native_theme.h"
+#include "ui/native_theme/native_theme_mac.h"
 
 namespace {
 BOOL g_animations_enabled = false;
 CGFloat kMinWidth = 320.0;
 }
 
 @interface ToolbarActionsBarBubbleMac ()
 
 // Handles the notification that the window will close.
 - (void)windowWillClose:(NSNotification*)notification;
@@ skipping 38 matching lines @@
           initWithContentRect:ui::kWindowSizeDeterminedLater
                     styleMask:NSBorderlessWindowMask
                       backing:NSBackingStoreBuffered
                         defer:NO]);
   if ((self = [super initWithWindow:window
                        parentWindow:parentWindow
                          anchoredAt:anchorPoint])) {
     acknowledged_ = NO;
     delegate_ = delegate.Pass();
 
-    ui::NativeTheme* nativeTheme = ui::NativeTheme::instance();
+    ui::NativeTheme* nativeTheme = ui::NativeThemeMac::instance();
     [[self bubble] setAlignment:info_bubble::kAlignArrowToAnchor];
     [[self bubble] setArrowLocation:info_bubble::kTopRight];
     [[self bubble] setBackgroundColor:
         gfx::SkColorToCalibratedNSColor(nativeTheme->GetSystemColor(
             ui::NativeTheme::kColorId_DialogBackground))];
 
     if (!g_animations_enabled)
       [window setAllowedAnimations:info_bubble::kAnimateNone];
 
     [self layout];
@@ skipping 243 matching lines @@
   } else {
     DCHECK_EQ(sender, actionButton_);
     action = ToolbarActionsBarBubbleDelegate::CLOSE_EXECUTE;
   }
   acknowledged_ = YES;
   delegate_->OnBubbleClosed(action);
   [self close];
 }
 
 @end