Merge 157268 "Update containtingIsolate to go back all the way t..."

Source/core/rendering/InlineIterator.h

Index: Source/core/rendering/InlineIterator.h
===================================================================
--- Source/core/rendering/InlineIterator.h	(revision 157784)
+++ Source/core/rendering/InlineIterator.h	(working copy)
@@ -414,14 +414,11 @@
     return object->isRenderInline() && isIsolated(object->style()->unicodeBidi());
 }
 
-static inline RenderObject* containingIsolate(RenderObject* object, RenderObject* root)
+static inline RenderObject* highestContainingIsolateWithinRoot(RenderObject* object, RenderObject* root)
 {
     ASSERT(object);
     RenderObject* containingIsolateObj = 0;
     while (object && object != root) {
-        if (containingIsolateObj && !isIsolatedInline(object))
-            break;
-
         if (isIsolatedInline(object))
             containingIsolateObj = object;