[DevTools] Move the rest of emulation to EmulationModel

third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @unrestricted
  */
 Emulation.DeviceModeView = class extends UI.VBox {
   constructor() {
     super(true);
     this.setMinimumSize(150, 150);
@@ skipping 434 matching lines @@
         ctx.drawImage(image, rect.left, rect.top, rect.width, rect.height);
         fulfill();
       };
     });
   }
 
   /**
    * @param {!Element} canvas
    */
   _saveScreenshot(canvas) {
-    var url = this._model.target() && this._model.target().inspectedURL();
+    var url = this._model.inspectedURL();
     var fileName = url ? url.trimURL().removeURLFragment() : '';
     if (this._model.type() === Emulation.DeviceModeModel.Type.Device)
       fileName += Common.UIString('(%s)', this._model.device().title);
     var link = createElement('a');
     link.download = fileName + '.png';
     canvas.toBlob(blob => {
       link.href = URL.createObjectURL(blob);
       link.click();
     });
   }
@@ skipping 92 matching lines @@
     return Promise.resolve();
   }
 
   /**
    * @param {number} size
    */
   _onMarkerClick(size) {
     this._applyCallback.call(null, size);
   }
 };