[SPInvalidation] Use GeometryMapper in PaintLayerClipper for paint.

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

 // Copyright 2016 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/PaintInvalidator.h"
 
 #include "core/editing/FrameSelection.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
@@ skipping 121 matching lines @@
 
   PaintLayer::mapRectInPaintInvalidationContainerToBacking(
       *context.paintInvalidationContainer, result);
 
   return result;
 }
 
 void PaintInvalidatorContext::mapLocalRectToPaintInvalidationBacking(
     const LayoutObject& object,
     LayoutRect& rect) const {
-  GeometryMapper geometryMapper;
+  std::unique_ptr<GeometryMapper> geometryMapper = GeometryMapper::create();
   rect = blink::mapLocalRectToPaintInvalidationBacking<LayoutRect, LayoutPoint>(
-      object, rect, *this, geometryMapper);
+      object, rect, *this, *geometryMapper);
 }
 
 LayoutRect PaintInvalidator::computeVisualRectInBacking(
     const LayoutObject& object,
     const PaintInvalidatorContext& context) {
   if (object.isSVGChild()) {
     FloatRect localRect = SVGLayoutSupport::localVisualRect(object);
     return mapLocalRectToPaintInvalidationBacking<FloatRect, FloatPoint>(
         object, localRect, context, m_geometryMapper);
   }
@@ skipping 291 matching lines @@
         PaintInvalidatorContext::ForcedSubtreeInvalidationRectUpdate;
 }
 
 void PaintInvalidator::processPendingDelayedPaintInvalidations() {
   for (auto target : m_pendingDelayedPaintInvalidations)
     target->getMutableForPainting().setShouldDoFullPaintInvalidation(
         PaintInvalidationDelayedFull);
 }
 
 }  // namespace blink