Use transform paint property nodes in SVG [spv2]

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.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/PaintPropertyTreeBuilder.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutInline.h"
@@ skipping 84 matching lines @@
         style.transformOriginZ());
 }
 
 void PaintPropertyTreeBuilder::updateTransform(const LayoutObject& object, PaintPropertyTreeBuilderContext& context)
 {
     if (object.isSVG() && !object.isSVGRoot()) {
         // SVG does not use paint offset internally and the root should have already accounted for
         // any paint offset in the root's svgLocalToBorderBox transform.
         DCHECK(context.paintOffset == LayoutPoint());
 
-        // TODO(pdr): Check for the presence of a transform instead of the value. Checking for an
+        // FIXME(pdr): Check for the presence of a transform instead of the value. Checking for an
         // identity matrix will cause the property tree structure to change during animations if
         // the animation passes through the identity matrix.
-        const AffineTransform& transform = object.localToSVGParentTransform();
+        // FIXME(pdr): Refactor this so all non-root SVG objects use the same transform function.
+        const AffineTransform& transform = object.isSVGForeignObject() ? object.localSVGTransform() : object.localToSVGParentTransform();
         if (transform.isIdentity())
             return;
 
         // The origin is included in the local transform, so use an empty origin.
         RefPtr<TransformPaintPropertyNode> svgTransform = TransformPaintPropertyNode::create(
             transform, FloatPoint3D(0, 0, 0), context.currentTransform);
         context.currentTransform = svgTransform.get();
         object.getMutableForPainting().ensureObjectPaintProperties().setTransform(svgTransform.release());
         return;
     }
@@ skipping 280 matching lines @@
     updateOverflowClip(object, context);
     // TODO(trchen): Insert flattening transform here, as specified by
     // http://www.w3.org/TR/css3-transforms/#transform-style-property
     updatePerspective(object, context);
     updateSvgLocalToBorderBoxTransform(object, context);
     updateScrollTranslation(object, context);
     updateOutOfFlowContext(object, context);
 }
 
 } // namespace blink