[SPInvalidation] Use GeometryMapper in PaintLayerClipper for paint.

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

Index: third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
index 64c4f599a099b172c113e1301f8cda3f02f0f1d7..5ac5f2e8fea87070567e3f94d07013a388413262 100644
--- a/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintInvalidator.cpp
@@ -139,9 +139,9 @@ static LayoutRect mapLocalRectToPaintInvalidationBacking(
 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(