Remove the methods of EditingStyle class moved to EditingStyleUtilities class

third_party/WebKit/Source/core/editing/EditingStyle.h

Index: third_party/WebKit/Source/core/editing/EditingStyle.h
diff --git a/third_party/WebKit/Source/core/editing/EditingStyle.h b/third_party/WebKit/Source/core/editing/EditingStyle.h
index 12bdc3f6264a77e43bd53924a41ea52f3c46c2da..5088f5a4c7f4e6fda816af88e46014b5ee365d0e 100644
--- a/third_party/WebKit/Source/core/editing/EditingStyle.h
+++ b/third_party/WebKit/Source/core/editing/EditingStyle.h
@@ -151,9 +151,6 @@ class CORE_EXPORT EditingStyle final : public GarbageCollected<EditingStyle> {
   void mergeInlineAndImplicitStyleOfElement(Element*,
                                             CSSPropertyOverrideMode,
                                             PropertiesToInclude);
-  static EditingStyle* wrappingStyleForAnnotatedSerialization(
-      ContainerNode* context);
-  static EditingStyle* wrappingStyleForSerialization(ContainerNode* context);
   void mergeStyleFromRules(Element*);
   void mergeStyleFromRulesForSerialization(Element*);
   void removeStyleFromRulesAndContext(Element*, ContainerNode* context);
@@ -167,19 +164,6 @@ class CORE_EXPORT EditingStyle final : public GarbageCollected<EditingStyle> {
 
   void setProperty(CSSPropertyID, const String& value, bool important = false);
 
-  static EditingStyle* styleAtSelectionStart(
-      const VisibleSelection&,
-      bool shouldUseBackgroundColorInEffect = false,
-      MutableStylePropertySet* styleToCheck = nullptr);
-  static WritingDirection textDirectionForSelection(
-      const VisibleSelection&,
-      EditingStyle* typingStyle,
-      bool& hasNestedOrMultipleEmbeddings);
-  static bool isEmbedOrIsolate(CSSValueID unicodeBidi) {
-    return unicodeBidi == CSSValueIsolate ||
-           unicodeBidi == CSSValueWebkitIsolate || unicodeBidi == CSSValueEmbed;
-  }
-
   DECLARE_TRACE();
 
  private: