Autosize flex boxes.

Source/core/rendering/RenderFlexibleBox.cpp

Index: Source/core/rendering/RenderFlexibleBox.cpp
diff --git a/Source/core/rendering/RenderFlexibleBox.cpp b/Source/core/rendering/RenderFlexibleBox.cpp
index 62dfee372307b28119fa28e0ee64d50dc7fef3a5..4b8951a5b1991e3725d20e3f796234ed979d92ee 100644
--- a/Source/core/rendering/RenderFlexibleBox.cpp
+++ b/Source/core/rendering/RenderFlexibleBox.cpp
@@ -31,6 +31,7 @@
 #include "config.h"
 #include "core/rendering/RenderFlexibleBox.h"
 
+#include "core/rendering/FastTextAutosizer.h"
 #include "core/rendering/LayoutRepainter.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderView.h"
@@ -240,6 +241,7 @@ void RenderFlexibleBox::layoutBlock(bool relayoutChildren)
     setLogicalHeight(borderAndPaddingLogicalHeight() + scrollbarLogicalHeight());
 
     {
+        FastTextAutosizer::LayoutScope fastTextAutosizerLayoutScope(this);

[pdr., 2014/06/11 03:57:05]

If we moved these outside this scope, could we assert(!needsLayout()) in the
LayoutScope destructor?

[skobes, 2014/06/11 21:36:21]

Maybe, but I'm not sure why that's useful?

         LayoutStateMaintainer statePusher(*this, locationOffset());
 
         m_numberOfInFlowChildrenOnFirstLine = -1;