Introduce PaintPropertyTreeBuilderFragmentContext and use it throughout.

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp

 // Copyright 2015 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 "core/paint/PaintPropertyTreeBuilderTest.h"
 
 #include "core/html/HTMLIFrameElement.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintPropertyTreePrinter.h"
@@ skipping 1152 matching lines @@
       "    transform: translate3d(4px, 5px, 6px);"
       "    width: 100px;"
       "    height: 200px;"
       "  }"
       "</style>"
       "<div id='innerDivWithTransform'></div>");
 
   FrameView* frame_view = GetDocument().View();
   frame_view->UpdateAllLifecyclePhases();
 
+  LOG(ERROR) << "go";
   LayoutObject* div_with_transform =
       GetDocument().getElementById("divWithTransform")->GetLayoutObject();
   const ObjectPaintProperties* div_with_transform_properties =
       div_with_transform->PaintProperties();
   EXPECT_EQ(TransformationMatrix().Translate3d(1, 2, 3),
             div_with_transform_properties->Transform()->Matrix());
   CHECK_EXACT_VISUAL_RECT(LayoutRect(1, 2, 800, 164), div_with_transform,
                           frame_view->GetLayoutView());
 
   LayoutObject* inner_div_with_transform =
@@ skipping 2287 matching lines @@
 
   LayoutObject& svg_root =
       *GetDocument().getElementById("svgroot")->GetLayoutObject();
   const ObjectPaintProperties* svg_root_properties = svg_root.PaintProperties();
   EXPECT_TRUE(svg_root_properties->Effect());
   EXPECT_EQ(EffectPaintPropertyNode::Root(),
             svg_root_properties->Effect()->Parent());
 }
 
 }  // namespace blink