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

ui/views/controls/label.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/views/controls/label.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <vector>
@@ skipping 386 matching lines @@
   render_text_->SetElideBehavior(gfx::NO_ELIDE);
   render_text_->SetFontList(font_list);
   render_text_->SetCursorEnabled(false);
   render_text_->SetWordWrapBehavior(gfx::TRUNCATE_LONG_WORDS);
 
   elide_behavior_ = gfx::ELIDE_TAIL;
   enabled_color_set_ = disabled_color_set_ = background_color_set_ = false;
   subpixel_rendering_enabled_ = true;
   auto_color_readability_ = true;
   multi_line_ = false;
-  UpdateColorsFromTheme(ui::NativeTheme::instance());
+  UpdateColorsFromTheme(GetNativeTheme());
   handles_tooltips_ = true;
   collapse_when_hidden_ = false;
   max_width_ = 0;
   is_first_paint_text_ = true;
   SetText(text);
 }
 
 void Label::ResetLayout() {
   InvalidateLayout();
   PreferredSizeChanged();
@@ skipping 156 matching lines @@
 }
 
 bool Label::ShouldShowDefaultTooltip() const {
   const gfx::Size text_size = GetTextSize();
   const gfx::Size size = GetContentsBounds().size();
   return !obscured() && (text_size.width() > size.width() ||
                          (multi_line() && text_size.height() > size.height()));
 }
 
 }  // namespace views