Use localToContainerPoint when checking mapToContainer result

The mapToContainer method is calculating the value in relation
to the container, but when we verify the result we calculate
the localToAbsolute value. This doesn't take the container
into account so we get the wrong values.

BUG=371640

Review URL: https://codereview.chromium.org/310483002

git-svn-id: svn://svn.chromium.org/blink/trunk@175163 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/rendering/RenderGeometryMap.cpp

@@ -125,7 +125,7 @@ FloatPoint RenderGeometryMap::mapToContainer(const FloatPoint& p, const RenderLa
         // therefore not necessarily expected to be correct here. This is ok,
         // because they will be recomputed if the layer becomes visible.
         if (!layer || !layer->subtreeIsInvisible()) {
-            FloatPoint rendererMappedResult = lastRenderer->localToAbsolute(p, m_mapCoordinatesFlags);
+            FloatPoint rendererMappedResult = lastRenderer->localToContainerPoint(p, container, m_mapCoordinatesFlags);
 
             ASSERT(roundedIntPoint(rendererMappedResult) == roundedIntPoint(result));
         }