Bug 1491688 - Introduce ::-moz-tree-row(blur) selector. r=emilio

layout/xul/tree/nsTreeBodyFrame.cpp

@@ -1848,6 +1848,8 @@ nsTreeBodyFrame::PrefillPropertyArray(int32_t aRowIndex, nsTreeColumn* aCol)
   // focus
   if (mFocused)
     mScratchArray.AppendElement(nsGkAtoms::focus);
+  else
+    mScratchArray.AppendElement(nsGkAtoms::blur);
 
   // sort
   bool sorted = false;

xpcom/ds/StaticAtoms.py

@@ -165,6 +165,7 @@ STATIC_ATOMS = [
     Atom("bindToUntrustedContent", "bindToUntrustedContent"),
     Atom("block", "block"),
     Atom("blockquote", "blockquote"),
+    Atom("blur", "blur"),
     Atom("body", "body"),
     Atom("boolean", "boolean"),
     Atom("border", "border"),