Bug 1314664 part 3 - [css-grid] Remove unused eIndefinitePercentMinSizing bit. r=dholbert

layout/generic/nsGridContainerFrame.cpp

@@ -198,7 +198,7 @@ struct nsGridContainerFrame::TrackSize
     eMaxContentMinSizing =        0x4,
     eMinOrMaxContentMinSizing = eMinContentMinSizing | eMaxContentMinSizing,
     eIntrinsicMinSizing = eMinOrMaxContentMinSizing | eAutoMinSizing,
-    eIndefinitePercentMinSizing = 0x8,
+    // 0x8 is unused, feel free to take it!
     eAutoMaxSizing =             0x10,
     eMinContentMaxSizing =       0x20,
     eMaxContentMaxSizing =       0x40,
@@ -269,7 +269,6 @@ nsGridContainerFrame::TrackSize::Initialize(nscoord aPercentageBasis,
     // "If the inline or block size of the grid container is indefinite,
     //  <percentage> values relative to that size are treated as 'auto'."
     minSizeUnit = eStyleUnit_Auto;
-    mState |= eIndefinitePercentMinSizing;
   }
   if (::IsPercentOfIndefiniteSize(aMaxCoord, aPercentageBasis)) {
     maxSizeUnit = eStyleUnit_Auto;