[DevTools] Do not expose agents on Target

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

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @unrestricted
  */
 SDK.DebuggerModel = class extends SDK.SDKModel {
   /**
    * @param {!SDK.Target} target
+   * @param {!Protocol.Dispatcher} dispatcher
    */
-  constructor(target) {
-    super(target);
+  constructor(target, dispatcher) {
+    super(target, dispatcher);
 
-    target.registerDebuggerDispatcher(new SDK.DebuggerDispatcher(this));
-    this._agent = target.debuggerAgent();
+    dispatcher.registerDebuggerDispatcher(new SDK.DebuggerDispatcher(this));
+    this._agent = dispatcher.debuggerAgent();
     this._runtimeModel = /** @type {!SDK.RuntimeModel} */ (target.model(SDK.RuntimeModel));
 
     /** @type {!SDK.SourceMapManager<!SDK.Script>} */
     this._sourceMapManager = new SDK.SourceMapManager(target);
     /** @type {!Map<string, !SDK.Script>} */
     this._sourceMapIdToScript = new Map();
 
     /** @type {?SDK.DebuggerPausedDetails} */
     this._debuggerPausedDetails = null;
     /** @type {!Map<string, !SDK.Script>} */
@@ skipping 450 matching lines @@
     // Support file URL for node.js.
     if (this.target().isNodeJS() && sourceURL && sourceURL.startsWith('/')) {
       var nodeJSPath = sourceURL;
       sourceURL = Common.ParsedURL.platformPathToURL(nodeJSPath);
       sourceURL = this._internString(sourceURL);
       this._fileURLToNodeJSPath.set(sourceURL, nodeJSPath);
     } else {
       sourceURL = this._internString(sourceURL);
     }
     var script = new SDK.Script(
-        this, scriptId, sourceURL, startLine, startColumn, endLine, endColumn, executionContextId,
+        this, this._agent, scriptId, sourceURL, startLine, startColumn, endLine, endColumn, executionContextId,
         this._internString(hash), isContentScript, isLiveEdit, sourceMapURL, hasSourceURL, length);
     this._registerScript(script);
     if (!hasSyntaxError)
       this.dispatchEventToListeners(SDK.DebuggerModel.Events.ParsedScriptSource, script);
     else
       this.dispatchEventToListeners(SDK.DebuggerModel.Events.FailedToParseScriptSource, script);
 
     var sourceMapId = SDK.DebuggerModel._sourceMapId(script.executionContextId, script.sourceURL, script.sourceMapURL);
     if (sourceMapId && !hasSyntaxError) {
       // Consecutive script evaluations in the same execution context with the same sourceURL
@@ skipping 939 matching lines @@
         stack.callFrames.shift();
       if (previous && (!stack.callFrames.length && !stack.promiseCreationFrame))
         previous.parent = stack.parent;
       else
         previous = stack;
       stack = stack.parent;
     }
     return asyncStackTrace;
   }
 };