Changed EPosition to an enum class and renamed its members

third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp b/third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp
index 1a2332842c907f5238174e1501ef830e89dc71bf..291b8c727d87bf5be3c24bfac9a91e1c6f4eb798 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp
@@ -155,7 +155,7 @@ static void adjustStyleForFirstLetter(ComputedStyle& style) {
   style.setDisplay(style.isFloating() ? EDisplay::Block : EDisplay::Inline);
 
   // CSS2 says first-letter can't be positioned.
-  style.setPosition(StaticPosition);
+  style.setPosition(EPosition::kStatic);
 }
 
 void StyleAdjuster::adjustStyleForAlignment(ComputedStyle& style,
@@ -223,7 +223,7 @@ static void adjustStyleForHTMLElement(ComputedStyle& style,
     // Frames and framesets never honor position:relative or position:absolute.
     // This is necessary to fix a crash where a site tries to position these
     // objects. They also never honor display.
-    style.setPosition(StaticPosition);
+    style.setPosition(EPosition::kStatic);
     style.setDisplay(EDisplay::Block);
     return;
   }
@@ -239,7 +239,7 @@ static void adjustStyleForHTMLElement(ComputedStyle& style,
   if (isHTMLRTElement(element)) {
     // Ruby text does not support float or position. This might change with
     // evolution of the specification.
-    style.setPosition(StaticPosition);
+    style.setPosition(EPosition::kStatic);
     style.setFloating(EFloat::kNone);
     return;
   }
@@ -336,16 +336,16 @@ static void adjustStyleForDisplay(ComputedStyle& style,
        style.display() == EDisplay::TableRowGroup ||
        style.display() == EDisplay::TableFooterGroup ||
        style.display() == EDisplay::TableRow) &&
-      style.position() == RelativePosition)
-    style.setPosition(StaticPosition);
+      style.position() == EPosition::kRelative)
+    style.setPosition(EPosition::kStatic);
 
   // Cannot support position: sticky for table columns and column groups because
   // current code is only doing background painting through columns / column
   // groups.
   if ((style.display() == EDisplay::TableColumnGroup ||
        style.display() == EDisplay::TableColumn) &&
-      style.position() == StickyPosition)
-    style.setPosition(StaticPosition);
+      style.position() == EPosition::kSticky)
+    style.setPosition(EPosition::kStatic);
 
   // writing-mode does not apply to table row groups, table column groups, table
   // rows, and table columns.
@@ -394,9 +394,10 @@ void StyleAdjuster::adjustComputedStyle(ComputedStyle& style,
 
     // Per the spec, position 'static' and 'relative' in the top layer compute
     // to 'absolute'.
-    if (isInTopLayer(element, style) && (style.position() == StaticPosition ||
-                                         style.position() == RelativePosition))
-      style.setPosition(AbsolutePosition);
+    if (isInTopLayer(element, style) &&
+        (style.position() == EPosition::kStatic ||
+         style.position() == EPosition::kRelative))
+      style.setPosition(EPosition::kAbsolute);
 
     // Absolute/fixed positioned elements, floating elements and the document
     // element need block-like outside display.
@@ -423,7 +424,7 @@ void StyleAdjuster::adjustComputedStyle(ComputedStyle& style,
     style.setHasCompositorProxy(true);
 
   // Make sure our z-index value is only applied if the object is positioned.
-  if (style.position() == StaticPosition &&
+  if (style.position() == EPosition::kStatic &&
       !parentStyleForcesZIndexToCreateStackingContext(parentStyle)) {
     style.setIsStackingContext(false);
     // TODO(alancutter): Avoid altering z-index here.