[css-sizing] Ensure positive available size on replaced elements

third_party/WebKit/Source/core/layout/LayoutReplaced.cpp

Index: third_party/WebKit/Source/core/layout/LayoutReplaced.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutReplaced.cpp b/third_party/WebKit/Source/core/layout/LayoutReplaced.cpp
index f9822157bb6549f5d03c19b554367585db36a873..f3cd01520133bbdec9a1bae34546253bedcc96d9 100644
--- a/third_party/WebKit/Source/core/layout/LayoutReplaced.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutReplaced.cpp
@@ -824,7 +824,11 @@ void LayoutReplaced::computePreferredLogicalWidths() {
   // containing block.
   const Length& logicalWidth = style()->logicalWidth();
   if (logicalWidth.isPercentOrCalc() || logicalWidth.isFillAvailable() ||
-      logicalWidth.isFitContent())
+      logicalWidth.isFitContent() ||
+      (logicalWidth.isAuto() && (style()->logicalMinWidth().isFillAvailable() ||
+                                 style()->logicalMinWidth().isFitContent() ||

[mstensho (USE GERRIT), 2016/11/10 19:54:25]

Why no isPercentOrCalc() here?

[jfernandez, 2016/11/10 20:54:39]

umm, not sure, I thought about that. I tried to keep the change as simple as
possible, only addressing the specific issue. However, it mat sense to evaluate
other cases. 

I'll try to figure out other test cases to reproduce the issue so it can get
fixed by this CL as well. 

+                                 style()->logicalMaxWidth().isFillAvailable() ||
+                                 style()->logicalMaxWidth().isFitContent())))
     computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth,
                                   m_maxPreferredLogicalWidth);
   else