Remove explicit enum values in EPosition.

third_party/WebKit/Source/core/style/ComputedStyleConstants.h

Index: third_party/WebKit/Source/core/style/ComputedStyleConstants.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
index d5f4a784e8f7118426a2b18bdc1a0efc4db3ea5e..b3b4baf6a941d82b60a9f0a1464ce260786c765d 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
@@ -120,12 +120,11 @@ enum EBorderPrecedence {
 enum OutlineIsAuto { OutlineIsAutoOff = 0, OutlineIsAutoOn };
 
 enum EPosition {
-  StaticPosition = 0,
-  RelativePosition = 1,
-  AbsolutePosition = 2,
-  StickyPosition = 3,
-  // This value is required to pack our bits efficiently in LayoutObject.
-  FixedPosition = 6
+  StaticPosition,
+  RelativePosition,
+  AbsolutePosition,
+  StickyPosition,
+  FixedPosition
 };
 
 enum EMarginCollapse {