Backing out bug 413027

layout/generic/nsFrame.cpp

@@ -5854,7 +5854,32 @@ nsFrame::RefreshSizeCache(nsBoxLayoutState& aState)
       Redraw(aState, &newRect);
     }
 
-    metrics->mBlockMinSize.height = metrics->mBlockPrefSize.height = newRect.height;
+    metrics->mBlockMinSize.height = 0;
+    // ok we need the max ascent of the items on the line. So to do this
+    // ask the block for its line iterator. Get the max ascent.
+    nsCOMPtr<nsILineIterator> lines = do_QueryInterface(static_cast<nsIFrame*>(this));
+    if (lines) 
+    {
+      metrics->mBlockMinSize.height = 0;
+      int count = 0;
+      nsIFrame* firstFrame = nsnull;
+      PRInt32 framesOnLine;
+      nsRect lineBounds;
+      PRUint32 lineFlags;
+
+      do {
+         lines->GetLine(count, &firstFrame, &framesOnLine, lineBounds, &lineFlags);
+
+         if (lineBounds.height > metrics->mBlockMinSize.height)
+           metrics->mBlockMinSize.height = lineBounds.height;
+
+         count++;
+      } while(firstFrame);
+    } else {
+      metrics->mBlockMinSize.height = desiredSize.height;
+    }
+
+    metrics->mBlockPrefSize.height = metrics->mBlockMinSize.height;
 
     if (desiredSize.ascent == nsHTMLReflowMetrics::ASK_FOR_BASELINE) {
       if (!nsLayoutUtils::GetFirstLineBaseline(this, &metrics->mBlockAscent))

layout/reftests/bugs/reftest.list

@@ -720,7 +720,7 @@ random == 403134-1.html 403134-1-ref.html # bug 405377
 == 412607-1b.html 412607-1-ref.html
 == 412679-1.html 412679-1-ref.html
 == 412679-2.html 412679-2-ref.html
-== 413027-1.html 413027-1-ref.html
+# == 413027-1.html 413027-1-ref.html
 == 413286-1a.html 413286-1-ref.html
 == 413286-1b.html 413286-1-ref.html
 == 413286-1c.html 413286-1-ref.html