Devtools: Create layout editor experiment

Source/core/inspector/InspectorHighlight.h

Index: Source/core/inspector/InspectorHighlight.h
diff --git a/Source/core/inspector/InspectorHighlight.h b/Source/core/inspector/InspectorHighlight.h
index 5549b36b02fa2f061fa46b0efc0cafd961ed8dd6..54eea7b4f0909350f886fdbd41d75211ae5a9f0c 100644
--- a/Source/core/inspector/InspectorHighlight.h
+++ b/Source/core/inspector/InspectorHighlight.h
@@ -15,6 +15,7 @@
 namespace blink {
 
 class Color;
+class JSONObject;
 class JSONValue;
 
 struct InspectorHighlightConfig {
@@ -32,6 +33,7 @@ public:
     bool showInfo;
     bool showRulers;
     bool showExtensionLines;
+    bool showLayoutEditor;
 };
 
 class CORE_EXPORT InspectorHighlight {
@@ -43,6 +45,9 @@ public:
 
     static bool getBoxModel(Node*, RefPtr<TypeBuilder::DOM::BoxModel>&);
     static InspectorHighlightConfig defaultConfig();
+    static PassOwnPtr<InspectorHighlightConfig> highlightConfigFromInspectorObject(JSONObject*);
+    static PassOwnPtr<InspectorHighlightConfig> highlightConfigWithColors(const RefPtr<JSONObject>*, const RefPtr<JSONObject>*);
+
 
     void appendPath(PassRefPtr<JSONArrayBase> path, const Color& fillColor, const Color& outlineColor);
     void appendQuad(const FloatQuad&, const Color& fillColor, const Color& outlineColor = Color::transparent);