Remove -webkit-auto, -webkit-center, -webkit-left, -webkit-right.

sky/engine/core/rendering/RenderBlockFlow.cpp

Index: sky/engine/core/rendering/RenderBlockFlow.cpp
diff --git a/sky/engine/core/rendering/RenderBlockFlow.cpp b/sky/engine/core/rendering/RenderBlockFlow.cpp
index 9a25aaea73e673cc1e3e2e5cdb92e470d702a556..47a9660d887d1d83946a13d5fa76e7cc213a5aac 100644
--- a/sky/engine/core/rendering/RenderBlockFlow.cpp
+++ b/sky/engine/core/rendering/RenderBlockFlow.cpp
@@ -137,9 +137,7 @@ void RenderBlockFlow::determineLogicalLeftPositionForChild(RenderBox* child)
 
     // If the child has an offset from the content edge to avoid floats then use that, otherwise let any negative
     // margin pull it back over the content edge or any positive margin push it out.
-    // If the child is being centred then the margin calculated to do that has factored in any offset required to
-    // avoid floats, so use it if necessary.
-    if (style()->textAlign() == WEBKIT_CENTER || child->style()->marginStartUsing(style()).isAuto())
+    if (child->style()->marginStartUsing(style()).isAuto())
         newPosition = std::max(newPosition, childMarginStart);
 
     child->setX(style()->isLeftToRightDirection() ? newPosition : totalAvailableLogicalWidth - newPosition - logicalWidthForChild(child));