[DevTools] Do not expose agents on Target

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

Index: third_party/WebKit/Source/devtools/front_end/sdk/EmulationModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/EmulationModel.js b/third_party/WebKit/Source/devtools/front_end/sdk/EmulationModel.js
index 51d51cb4d461702db64d093bd6e7fbd39bab237a..353d9284ea053fa14bdb87bbefe2aa6d49c3d13a 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/EmulationModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/EmulationModel.js
@@ -5,12 +5,13 @@
 SDK.EmulationModel = class extends SDK.SDKModel {
   /**
    * @param {!SDK.Target} target
+   * @param {!Protocol.Dispatcher} dispatcher
    */
-  constructor(target) {
-    super(target);
-    this._emulationAgent = target.emulationAgent();
-    this._pageAgent = target.pageAgent();
-    this._deviceOrientationAgent = target.deviceOrientationAgent();
+  constructor(target, dispatcher) {
+    super(target, dispatcher);
+    this._emulationAgent = dispatcher.emulationAgent();
+    this._pageAgent = dispatcher.pageAgent();
+    this._deviceOrientationAgent = dispatcher.deviceOrientationAgent();
     this._cssModel = target.model(SDK.CSSModel);
     this._overlayModel = target.model(SDK.OverlayModel);
     if (this._overlayModel)