Fix the float logic to not return an anonymous block ancestor

Source/core/rendering/RenderBox.cpp

Index: Source/core/rendering/RenderBox.cpp
diff --git a/Source/core/rendering/RenderBox.cpp b/Source/core/rendering/RenderBox.cpp
index c61b1550b4cf4ff80fe2730faf714e914f443e8c..10f624b35634c34456c09df9ca0106d9162fdbb7 100644
--- a/Source/core/rendering/RenderBox.cpp
+++ b/Source/core/rendering/RenderBox.cpp
@@ -186,7 +186,7 @@ void RenderBox::removeFloatingOrPositionedChildFromBlockLists()
         for (RenderObject* curr = parent(); curr && !curr->isRenderView(); curr = curr->parent()) {
             if (curr->isRenderBlock()) {
                 RenderBlock* currBlock = toRenderBlock(curr);
-                if (!parentBlock || currBlock->containsFloat(this))
+                if (!parentBlock || parentBlock->isAnonymousBlock() || currBlock->containsFloat(this))

[Julien - ping for review, 2013/05/07 00:51:22]

Patching only 2 functions for such a deep change seems small but I would have to
parse this code (haven't touched it in a while) to be sure it's correct.

                     parentBlock = currBlock;
             }
         }