Introduce EditingStyleUtilities.{cpp,h}

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

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 130 matching lines @@
   static bool elementIsStyledSpanOrHTMLEquivalent(const HTMLElement*);
 
   void prepareToApplyAt(
       const Position&,
       ShouldPreserveWritingDirection = DoNotPreserveWritingDirection);
   void mergeTypingStyle(Document*);
   enum CSSPropertyOverrideMode { OverrideValues, DoNotOverrideValues };
   void mergeInlineStyleOfElement(HTMLElement*,
                                  CSSPropertyOverrideMode,
                                  PropertiesToInclude = AllProperties);
-  static EditingStyle* wrappingStyleForAnnotatedSerialization(
-      ContainerNode* context);
-  static EditingStyle* wrappingStyleForSerialization(ContainerNode* context);
+  void mergeInlineAndImplicitStyleOfElement(Element*,
+                                            CSSPropertyOverrideMode,
+                                            PropertiesToInclude);
   void mergeStyleFromRules(Element*);
   void mergeStyleFromRulesForSerialization(Element*);
   void removeStyleFromRulesAndContext(Element*, ContainerNode* context);
   void removePropertiesInElementDefaultStyle(Element*);
   void addAbsolutePositioningFromElement(const Element&);
   void forceInline();
   int legacyFontSize(Document*) const;
 
   float fontSizeDelta() const { return m_fontSizeDelta; }
   bool hasFontSizeDelta() const { return m_fontSizeDelta != NoFontDelta; }
-
-  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;
-  }
+  void setProperty(CSSPropertyID, const String& value, bool important = false);
 
   DECLARE_TRACE();
 
  private:
   EditingStyle() = default;
   EditingStyle(ContainerNode*, PropertiesToInclude);
   EditingStyle(const Position&, PropertiesToInclude);
   explicit EditingStyle(const StylePropertySet*);
   EditingStyle(CSSPropertyID, const String& value);
   void init(Node*, PropertiesToInclude);
   void removeInheritedColorsIfNeeded(const ComputedStyle*);
-  void setProperty(CSSPropertyID, const String& value, bool important = false);
+
   void replaceFontSizeByKeywordIfPossible(const ComputedStyle*,
                                           CSSComputedStyleDeclaration*);
   void extractFontSizeDelta();
   TriState triStateOfStyle(CSSStyleDeclaration* styleToCompare,
                            ShouldIgnoreTextOnlyProperties) const;
   bool conflictsWithInlineStyleOfElement(
       HTMLElement*,
       EditingStyle* extractedStyle,
       Vector<CSSPropertyID>* conflictingProperties) const;
-  void mergeInlineAndImplicitStyleOfElement(Element*,
-                                            CSSPropertyOverrideMode,
-                                            PropertiesToInclude);
   void mergeStyle(const StylePropertySet*, CSSPropertyOverrideMode);
 
   Member<MutableStylePropertySet> m_mutableStyle;
   bool m_isMonospaceFont = false;
   float m_fontSizeDelta = NoFontDelta;
   bool m_isVerticalAlign = false;
 
   friend class HTMLElementEquivalent;
   friend class HTMLAttributeEquivalent;
 };
@@ skipping 58 matching lines @@
 };
 
 // FIXME: Remove these functions or make them non-global to discourage using
 // CSSStyleDeclaration directly.
 CSSValueID getIdentifierValue(CSSStyleDeclaration*, CSSPropertyID);
 CSSValueID getIdentifierValue(StylePropertySet*, CSSPropertyID);
 
 }  // namespace blink
 
 #endif  // EditingStyle_h