Changed ETextAlign to an enum class and renamed its members to keywords

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

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
index 785cb425f791ef657581f54bc3540041cbd69b0f..239cfbdb6563e0fdeb14ebdc53324846741a6bf5 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
@@ -673,7 +673,7 @@ void LayoutBlockFlow::determineLogicalLeftPositionForChild(LayoutBox& child) {
     // 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 ||
+    if (style()->textAlign() == ETextAlign::WebkitCenter ||
         child.style()->marginStartUsing(style()).isAuto())
       newPosition =
           std::max(newPosition, positionToAvoidFloats + childMarginStart);