[oilpan] Make the oilpan branch build on Mac.

Source/core/rendering/RenderThemeChromiumMac.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 1525 matching lines @@
     style->setPaddingBottom(Length(padding, Fixed));
 
     NSControlSize controlSize = controlSizeForFont(style);
     setFontFromControlSize(styleResolver, style, controlSize);
 
     style->setBoxShadow(nullptr);
 }
 
 bool RenderThemeChromiumMac::paintSearchFieldCancelButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
 {
-    const Handle<Element>& input = o->node()->shadowHost();
+    Handle<Element> input = adoptRawResult(o->node()->shadowHost());
     if (!input)
         input = toElement(o->node());
 
     if (!input->renderer()->isBox())
         return false;
 
     LocalCurrentGraphicsContext localContext(paintInfo.context);
     setSearchCellState(input->renderer(), r);
 
     NSSearchFieldCell* search = this->search();
 
-    if (!input->isDisabledFormControl() && (input->isTextFormControl() && !toHTMLTextFormControlElement(input)->isReadOnly())) {
+    if (!input->isDisabledFormControl() && (input->isTextFormControl() && !toHTMLTextFormControlElement(input.raw())->isReadOnly())) {
         updateActiveState([search cancelButtonCell], o);
         updatePressedState([search cancelButtonCell], o);
     }
     else if ([[search cancelButtonCell] isHighlighted])
         [[search cancelButtonCell] setHighlighted:NO];
 
     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 
     float zoomLevel = o->style()->effectiveZoom();
 
@@ skipping 61 matching lines @@
 void RenderThemeChromiumMac::adjustSearchFieldResultsDecorationStyle(StyleResolver*, RenderStyle* style, const Handle<Element>&) const
 {
     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
     style->setWidth(Length(size.width(), Fixed));
     style->setHeight(Length(size.height(), Fixed));
     style->setBoxShadow(nullptr);
 }
 
 bool RenderThemeChromiumMac::paintSearchFieldResultsDecoration(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
 {
-    Node* input = o->node()->shadowHost();
+    Handle<Node> input = adoptRawResult(o->node()->shadowHost());
     if (!input)
         input = o->node();
     if (!input->renderer()->isBox())
         return false;
 
     LocalCurrentGraphicsContext localContext(paintInfo.context);
     setSearchCellState(input->renderer(), r);
 
     NSSearchFieldCell* search = this->search();
 
@@ skipping 14 matching lines @@
 void RenderThemeChromiumMac::adjustSearchFieldResultsButtonStyle(StyleResolver*, RenderStyle* style, const Handle<Element>&) const
 {
     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
     style->setWidth(Length(size.width() + resultsArrowWidth, Fixed));
     style->setHeight(Length(size.height(), Fixed));
     style->setBoxShadow(nullptr);
 }
 
 bool RenderThemeChromiumMac::paintSearchFieldResultsButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
 {
-    Node* input = o->node()->shadowHost();
+    Handle<Node> input = adoptRawResult(o->node()->shadowHost());
     if (!input)
         input = o->node();
     if (!input->renderer()->isBox())
         return false;
 
     LocalCurrentGraphicsContext localContext(paintInfo.context);
     setSearchCellState(input->renderer(), r);
 
     NSSearchFieldCell* search = this->search();
 
@@ skipping 283 matching lines @@
 {
     return RenderMediaControlsChromium::paintMediaControlsPart(MediaEnterFullscreenButton, object, paintInfo, rect);
 }
 
 bool RenderThemeChromiumMac::paintMediaToggleClosedCaptionsButton(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect)
 {
     return RenderMediaControlsChromium::paintMediaControlsPart(MediaShowClosedCaptionsButton, object, paintInfo, rect);
 }
 
 } // namespace WebCore