style: Rename the PseudoId enum values to CamelCase and prefix them.

third_party/WebKit/Source/core/dom/Element.h

Index: third_party/WebKit/Source/core/dom/Element.h
diff --git a/third_party/WebKit/Source/core/dom/Element.h b/third_party/WebKit/Source/core/dom/Element.h
index b93d13e80b3518ffc16e3b59519f7d3179ffcd76..74118d82724776b39d13734324f99cca710b6f31 100644
--- a/third_party/WebKit/Source/core/dom/Element.h
+++ b/third_party/WebKit/Source/core/dom/Element.h
@@ -362,7 +362,7 @@ public:
 
     bool isInDescendantTreeOf(const Element* shadowHost) const;
 
-    const ComputedStyle* ensureComputedStyle(PseudoId = NOPSEUDO);
+    const ComputedStyle* ensureComputedStyle(PseudoId = PseudoIdNone);
 
     // Methods for indicating the style is affected by dynamic updates (e.g., children changing, our position changing in our sibling list, etc.)
     bool styleAffectedByEmpty() const { return hasElementFlag(StyleAffectedByEmpty); }
@@ -682,7 +682,7 @@ private:
 
     void cancelFocusAppearanceUpdate();
 
-    const ComputedStyle* virtualEnsureComputedStyle(PseudoId pseudoElementSpecifier = NOPSEUDO) override { return ensureComputedStyle(pseudoElementSpecifier); }
+    const ComputedStyle* virtualEnsureComputedStyle(PseudoId pseudoElementSpecifier = PseudoIdNone) override { return ensureComputedStyle(pseudoElementSpecifier); }
 
     inline void updateCallbackSelectors(const ComputedStyle* oldStyle, const ComputedStyle* newStyle);
     inline void removeCallbackSelectors();