Remove a Mac control clip that does nothing.

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 150 matching lines @@
     IntSize size = m_layoutTheme.popupButtonSizes()[[popupButton controlSize]];
     size.setHeight(size.height() * zoomLevel);
     size.setWidth(r.width());
 
     // Now inflate it to account for the shadow.
     IntRect inflatedRect = r;
     if (r.width() >= m_layoutTheme.minimumMenuListSize(o->styleRef()))
         inflatedRect = ThemeMac::inflateRect(inflatedRect, size, m_layoutTheme.popupButtonMargins(), zoomLevel);
 
     LocalCurrentGraphicsContext localContext(paintInfo.context, &paintInfo.rect, ThemeMac::inflateRectForFocusRing(inflatedRect));
-    GraphicsContextStateSaver stateSaver(*paintInfo.context);
-
-    // On Leopard, the cell will draw outside of the given rect, so we have to
-    // clip to the rect.
-    paintInfo.context->clip(inflatedRect);
 
     if (zoomLevel != 1.0f) {
         inflatedRect.setWidth(inflatedRect.width() / zoomLevel);
         inflatedRect.setHeight(inflatedRect.height() / zoomLevel);
         paintInfo.context->translate(inflatedRect.x(), inflatedRect.y());
         paintInfo.context->scale(zoomLevel, zoomLevel);
         paintInfo.context->translate(-inflatedRect.x(), -inflatedRect.y());
     }
 
     NSView *view = m_layoutTheme.documentViewFor(o);
@@ skipping 408 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