[devtools] Add DOMSnapshot domain for dom+layout+style snapshots.

third_party/WebKit/Source/core/inspector/InspectorCSSAgent.h

 /*
  * Copyright (C) 2010, Google 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 199 matching lines @@
   std::unique_ptr<protocol::CSS::CSSMedia> BuildMediaObject(const MediaList*,
                                                             MediaListSource,
                                                             const String&,
                                                             CSSStyleSheet*);
   std::unique_ptr<protocol::Array<protocol::CSS::CSSMedia>> BuildMediaListChain(
       CSSRule*);
 
   CSSStyleDeclaration* FindEffectiveDeclaration(
       CSSPropertyID,
       const HeapVector<Member<CSSStyleDeclaration>>& styles);
-  protocol::Response getLayoutTreeAndStyles(
-      std::unique_ptr<protocol::Array<String>> style_whitelist,
-      std::unique_ptr<protocol::Array<protocol::CSS::LayoutTreeNode>>*
-          layout_tree_nodes,
-      std::unique_ptr<protocol::Array<protocol::CSS::ComputedStyle>>*
-          computed_styles) override;
 
   HeapVector<Member<CSSStyleDeclaration>> MatchingStyles(Element*);
   String StyleSheetId(CSSStyleSheet*);
 
  private:
   class StyleSheetAction;
   class SetStyleSheetTextAction;
   class ModifyRuleAction;
   class SetElementStyleAction;
   class AddRuleAction;
@@ skipping 65 matching lines @@
   void DidAddDocument(Document*) override;
   void DidRemoveDocument(Document*) override;
   void DidRemoveDOMNode(Node*) override;
   void DidModifyDOMAttr(Element*) override;
 
   // InspectorStyleSheet::Listener implementation
   void StyleSheetChanged(InspectorStyleSheetBase*) override;
 
   void ResetPseudoStates();
 
-  struct VectorStringHashTraits;
-  using ComputedStylesMap = WTF::HashMap<Vector<String>,
-                                         int,
-                                         VectorStringHashTraits,
-                                         VectorStringHashTraits>;
-
-  void VisitLayoutTreeNodes(
-      Node*,
-      protocol::Array<protocol::CSS::LayoutTreeNode>& layout_tree_nodes,
-      const Vector<std::pair<String, CSSPropertyID>>& css_property_whitelist,
-      ComputedStylesMap& style_to_index_map,
-      protocol::Array<protocol::CSS::ComputedStyle>& computed_styles);
-
-  // A non-zero index corresponds to a style in |computedStyles|, -1 means an
-  // empty style.
-  int GetStyleIndexForNode(
-      Node*,
-      const Vector<std::pair<String, CSSPropertyID>>& css_property_whitelist,
-      ComputedStylesMap& style_to_index_map,
-      protocol::Array<protocol::CSS::ComputedStyle>& computed_styles);
-
   Member<InspectorDOMAgent> dom_agent_;
   Member<InspectedFrames> inspected_frames_;
   Member<InspectorNetworkAgent> network_agent_;
   Member<InspectorResourceContentLoader> resource_content_loader_;
   Member<InspectorResourceContainer> resource_container_;
 
   IdToInspectorStyleSheet id_to_inspector_style_sheet_;
   IdToInspectorStyleSheetForInlineStyle
       id_to_inspector_style_sheet_for_inline_style_;
   HeapHashMap<Member<CSSStyleSheet>, Member<InspectorStyleSheet>>
@@ skipping 14 matching lines @@
   int resource_content_loader_client_id_;
   bool was_enabled_ = false;
 
   friend class InspectorResourceContentLoaderCallback;
   friend class StyleSheetBinder;
 };
 
 }  // namespace blink
 
 #endif  // !defined(InspectorCSSAgent_h)