[DevTools] Do not expose agents on Target

third_party/WebKit/Source/devtools/front_end/sdk/Script.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/Script.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/Script.js b/third_party/WebKit/Source/devtools/front_end/sdk/Script.js
index 1a019d4efdebdb10264408ba2df824e8c6af1a1e..3a1033d565ea8849b5c91a8a58bf10371ea962e9 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/Script.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/Script.js
@@ -30,6 +30,7 @@
 SDK.Script = class {
   /**
    * @param {!SDK.DebuggerModel} debuggerModel
+   * @param {!Protocol.DebuggerAgent} debuggerAgent
    * @param {string} scriptId
    * @param {string} sourceURL
    * @param {number} startLine
@@ -45,9 +46,10 @@ SDK.Script = class {
    * @param {number} length
    */
   constructor(
-      debuggerModel, scriptId, sourceURL, startLine, startColumn, endLine, endColumn, executionContextId, hash,
-      isContentScript, isLiveEdit, sourceMapURL, hasSourceURL, length) {
+      debuggerModel, debuggerAgent, scriptId, sourceURL, startLine, startColumn, endLine, endColumn, executionContextId,
+      hash, isContentScript, isLiveEdit, sourceMapURL, hasSourceURL, length) {
     this.debuggerModel = debuggerModel;
+    this._debuggerAgent = debuggerAgent;
     this.scriptId = scriptId;
     this.sourceURL = sourceURL;
     this.lineOffset = startLine;
@@ -135,7 +137,7 @@ SDK.Script = class {
 
     var callback;
     var promise = new Promise(fulfill => callback = fulfill);
-    this.debuggerModel.target().debuggerAgent().getScriptSource(this.scriptId, didGetScriptSource.bind(this));
+    this._debuggerAgent.getScriptSource(this.scriptId, didGetScriptSource.bind(this));
     return promise;
 
     /**
@@ -192,8 +194,7 @@ SDK.Script = class {
 
     if (this.scriptId) {
       // Script failed to parse.
-      this.debuggerModel.target().debuggerAgent().searchInContent(
-          this.scriptId, query, caseSensitive, isRegex, innerCallback);
+      this._debuggerAgent.searchInContent(this.scriptId, query, caseSensitive, isRegex, innerCallback);
     } else {
       callback([]);
     }
@@ -235,8 +236,8 @@ SDK.Script = class {
 
     if (this.scriptId) {
       this.requestContent().then(
-          () => this.debuggerModel.target().debuggerAgent().setScriptSource(
-              this.scriptId, newSource, undefined, didEditScriptSource.bind(this)));
+          () =>
+              this._debuggerAgent.setScriptSource(this.scriptId, newSource, undefined, didEditScriptSource.bind(this)));
     } else {
       callback('Script failed to parse');
     }
@@ -286,7 +287,7 @@ SDK.Script = class {
      * @this {SDK.Script}
      */
     function setBlackboxedRanges(fulfill, reject) {
-      this.debuggerModel.target().debuggerAgent().setBlackboxedRanges(this.scriptId, positions, callback);
+      this._debuggerAgent.setBlackboxedRanges(this.scriptId, positions, callback);
       /**
        * @param {?Protocol.Error} error
        */