Revert of Divorce PaintInvalidationState from LayoutState (https://codereview.chromium.org/36083300…

Source/core/rendering/svg/RenderSVGContainer.cpp

Index: Source/core/rendering/svg/RenderSVGContainer.cpp
diff --git a/Source/core/rendering/svg/RenderSVGContainer.cpp b/Source/core/rendering/svg/RenderSVGContainer.cpp
index 1add8de5da22069e6666db0810bd14efc5be8416..70ea384ac6a19f86594e8ab118167fa6f5c3ac6c 100644
--- a/Source/core/rendering/svg/RenderSVGContainer.cpp
+++ b/Source/core/rendering/svg/RenderSVGContainer.cpp
@@ -52,6 +52,9 @@ void RenderSVGContainer::layout()
 {
     ASSERT(needsLayout());
 
+    // RenderSVGRoot disables layoutState for the SVG rendering tree.
+    ASSERT(!view()->layoutStateCachedOffsetsEnabled());
+
     // Allow RenderSVGViewportContainer to update its viewport.
     calcViewport();