Switch to LayoutThemeMobile when emulating mobile device in DevTools.

third_party/WebKit/Source/core/paint/ThemePainterMac.mm

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 32 matching lines @@
 
 // Forward declare Mac SPIs.
 extern "C" {
 void _NSDrawCarbonThemeBezel(NSRect frame, BOOL enabled, BOOL flipped);
 // Request for public API: rdar://13787640
 void _NSDrawCarbonThemeListBox(NSRect frame, BOOL enabled, BOOL flipped, BOOL always_yes);
 }
 
 namespace blink {
 
+ThemePainterMac::ThemePainterMac(LayoutThemeMac& layoutTheme, Theme* platformTheme)
+    : ThemePainter(platformTheme)
+    , m_layoutTheme(layoutTheme)
+{
+}
+
 bool ThemePainterMac::paintTextField(const LayoutObject& o, const PaintInfo& paintInfo, const IntRect& r)
 {
     LocalCurrentGraphicsContext localContext(paintInfo.context, &paintInfo.cullRect().m_rect, r);
 
 #if __MAC_OS_X_VERSION_MIN_REQUIRED <= 1070
     bool useNSTextFieldCell = o.styleRef().hasAppearance()
         && o.styleRef().visitedDependentColor(CSSPropertyBackgroundColor) == Color::white
         && !o.styleRef().hasBackgroundImage();
 
     // We do not use NSTextFieldCell to draw styled text fields on Lion and
@@ skipping 523 matching lines @@
         [search setSearchMenuTemplate:nil];
 
     m_layoutTheme.updateActiveState([search searchButtonCell], o);
 
     [[search searchButtonCell] drawWithFrame:unzoomedRect inView:m_layoutTheme.documentViewFor(o)];
     [[search searchButtonCell] setControlView:nil];
     return false;
 }
 
 } // namespace blink