DevTools: injected script per context(WebCore part)

inspector/front-end/DOMAgent.js

Index: inspector/front-end/DOMAgent.js
===================================================================
--- inspector/front-end/DOMAgent.js	(revision 53180)
+++ inspector/front-end/DOMAgent.js	(working copy)
@@ -33,6 +33,10 @@
     this.ownerDocument = doc;
 
     this.id = payload.id;
+    // injectedScriptId is a node is for DOM nodes which should be converted
+    // to corresponding InjectedScript by the inspector backend. We indicate
+    // this by making injectedScriptId negative.
+    this.injectedScriptId = -payload.id;
     this.nodeType = payload.nodeType;
     this.nodeName = payload.nodeName;
     this.localName = payload.localName;
@@ -513,6 +517,7 @@
 WebInspector.CSSStyleDeclaration = function(payload)
 {
     this.id = payload.id;
+    this.injectedScriptId = payload.injectedScriptId;
     this.width = payload.width;
     this.height = payload.height;
     this.__disabledProperties = payload.__disabledProperties;
@@ -555,6 +560,7 @@
 {
     var rule = {};
     rule.id = payload.id;
+    rule.injectedScriptId = payload.injectedScriptId;
     rule.selectorText = payload.selectorText;
     rule.style = new WebInspector.CSSStyleDeclaration(payload.style);
     rule.style.parentRule = rule;