Absolute-position the initial containing block.

Source/core/layout/TextAutosizer.cpp

Index: Source/core/layout/TextAutosizer.cpp
diff --git a/Source/core/layout/TextAutosizer.cpp b/Source/core/layout/TextAutosizer.cpp
index 775abc5a182660170f0043a7dd4db078320c9780..5968f4555e2a97b2e06070c12798c70c523683fb 100644
--- a/Source/core/layout/TextAutosizer.cpp
+++ b/Source/core/layout/TextAutosizer.cpp
@@ -227,7 +227,7 @@ static bool blockHeightConstrained(const LayoutBlock* block)
         if (style.height().isSpecified() || style.maxHeight().isSpecified() || block->isOutOfFlowPositioned()) {
             // Some sites (e.g. wikipedia) set their html and/or body elements to height:100%,
             // without intending to constrain the height of the content within them.
-            return !block->isDocumentElement() && !block->isBody();
+            return !block->isDocumentElement() && !block->isBody() && !block->isLayoutView();
         }
         if (block->isFloating())
             return false;