DevTools: Do not save split view size on show mode changes.

Source/devtools/front_end/InspectedPagePlaceholder.js

 // Copyright 2014 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.
 
 /**
  * @constructor
  * @extends {WebInspector.View}
  */
 WebInspector.InspectedPagePlaceholder = function()
 {
@@ skipping 66 matching lines @@
             bottom: this._margins.bottom ? marginValue : 0};
 
         var minSize = {
             width: WebInspector.InspectedPagePlaceholder.Constraints.Width - Math.round(insets.left * zoomFactor) - Math.round(insets.right * zoomFactor),
             height: WebInspector.InspectedPagePlaceholder.Constraints.Height - Math.round(insets.top * zoomFactor) - Math.round(insets.bottom * zoomFactor)};
 
         // This view assumes it's always inside the main split view element, not a sidebar.
         var view = this;
         while (view) {
             if ((view instanceof WebInspector.SplitView) && view.sidebarSide())
-                insets[view.sidebarSide()] += view.desiredSidebarSize();
+                insets[view.sidebarSide()] += view.preferredSidebarSize();
             view = view.parentView();
         }
 
         var zoomedInsets = {
             top: Math.round(insets.top * zoomFactor),
             left: Math.round(insets.left * zoomFactor),
             bottom: Math.round(insets.bottom * zoomFactor),
             right: Math.round(insets.right * zoomFactor)};
 
         InspectorFrontendHost.setContentsResizingStrategy(zoomedInsets, minSize);
     },
 
     __proto__: WebInspector.View.prototype
 };