Remove some unnecessary and precision-losing pixel snapping code.

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 968 matching lines @@
 IntRect LayoutObject::absoluteBoundingBoxRectIgnoringTransforms() const
 {
     FloatPoint absPos = localToAbsolute();
     Vector<IntRect> rects;
     absoluteRects(rects, flooredLayoutPoint(absPos));
 
     size_t n = rects.size();
     if (!n)
         return IntRect();
 
-    LayoutRect result = rects[0];
+    IntRect result = rects[0];
     for (size_t i = 1; i < n; ++i)
         result.unite(rects[i]);
-    return pixelSnappedIntRect(result);
+    return result;
 }
 
 IntRect LayoutObject::absoluteFocusRingBoundingBoxRect() const
 {
     Vector<LayoutRect> rects;
     const LayoutBoxModelObject* container = enclosingLayer()->renderer();
     addFocusRingRects(rects, LayoutPoint(localToContainerPoint(FloatPoint(), container)));
     return container->localToAbsoluteQuad(FloatQuad(unionRect(rects))).enclosingBoundingBox();
 }
 
@@ skipping 2186 matching lines @@
 {
     if (object1) {
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif