[turbolizer] Use a 300ms transition for expanding/collapsing panes, not 1000ms.

tools/turbolizer/turbo-visualizer.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 document.onload = (function(d3){
   "use strict";
   var jsonObj;
   var sourceExpandClassList = document.getElementById(SOURCE_EXPAND_ID).classList;
   var sourceCollapseClassList = document.getElementById(SOURCE_COLLAPSE_ID).classList;
   var sourceExpanded = sourceCollapseClassList.contains(COLLAPSE_PANE_BUTTON_VISIBLE);
@@ skipping 124 matching lines @@
     d3.select("#right").classed("scrollable", true);
   }
 
   selectionBroker = new SelectionBroker();
 
   function initializeHandlers(g) {
     d3.select("#source-collapse").on("click", function(){
       toggleSourceExpanded(true);
       setTimeout(function(){
         g.fitGraphViewToWindow();
-      }, 1000);
+      }, 300);
     });
     d3.select("#disassembly-collapse").on("click", function(){
       toggleDisassemblyExpanded();
       setTimeout(function(){
         g.fitGraphViewToWindow();
-      }, 1000);
+      }, 300);
     });
     window.onresize = function(){
       fitPanesToParents();
     };
     d3.select("#hidden-file-upload").on("change", function() {
       if (window.File && window.FileReader && window.FileList) {
         var uploadFile = this.files[0];
         var filereader = new window.FileReader();
         var consts = Node.consts;
         filereader.onload = function(){
@@ skipping 86 matching lines @@
   empty = new EmptyView(EMPTY_PANE_ID, selectionBroker);
 
   initializeHandlers(graph);
 
   setSourceExpanded(getLastExpandedState("source", true));
   setDisassemblyExpanded(getLastExpandedState("disassembly", false));
 
   displayPhaseView(empty, null);
   fitPanesToParents();
 })(window.d3);