Remove change event on injection.

blockly_compressed.js

@@ -994,7 +994,7 @@ goog.global.Blockly.Xml.textToDom=Blockly.Xml.textToDom;goog.global.Blockly.Xml.
 Blockly.WorkspaceSvg=function(a){Blockly.WorkspaceSvg.superClass_.constructor.call(this,a);this.getMetrics=a.getMetrics;this.setMetrics=a.setMetrics;Blockly.ConnectionDB.init(this);this.SOUNDS_=Object.create(null)};goog.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isScrolling=!1;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;
 Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;
 Blockly.WorkspaceSvg.prototype.createDom=function(a){this.svgGroup_=Blockly.createSvgElement("g",{},null);a&&(this.svgBackground_=Blockly.createSvgElement("rect",{height:"100%",width:"100%","class":a},this.svgGroup_),"blocklyMainBackground"==a&&(this.svgBackground_.style.fill="url(#"+this.options.gridPattern.id+")"));this.svgBlockCanvas_=Blockly.createSvgElement("g",{},this.svgGroup_);this.svgBubbleCanvas_=Blockly.createSvgElement("g",{},this.svgGroup_);this.options.hasTrashcan&&this.addTrashcan_();
-Blockly.bindEvent_(this.svgGroup_,"mousedown",this,this.onMouseDown_);this.options.hasCategories?this.toolbox_=new Blockly.Toolbox(this):this.options.languageTree&&this.addFlyout_();this.fireChangeEvent();return this.svgGroup_};
+Blockly.bindEvent_(this.svgGroup_,"mousedown",this,this.onMouseDown_);this.options.hasCategories?this.toolbox_=new Blockly.Toolbox(this):this.options.languageTree&&this.addFlyout_();return this.svgGroup_};
 Blockly.WorkspaceSvg.prototype.dispose=function(){this.rendered=!1;Blockly.WorkspaceSvg.superClass_.dispose.call(this);this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.svgBubbleCanvas_=this.svgBlockCanvas_=null;this.toolbox_&&(this.toolbox_.dispose(),this.toolbox_=null);this.flyout_&&(this.flyout_.dispose(),this.flyout_=null);this.trashcan&&(this.trashcan.dispose(),this.trashcan=null);this.options.parentWorkspace||goog.dom.removeNode(this.options.svg)};
 Blockly.WorkspaceSvg.prototype.addTrashcan_=function(){this.trashcan=new Blockly.Trashcan(this);var a=this.trashcan.createDom();this.svgGroup_.insertBefore(a,this.svgBlockCanvas_);this.trashcan.init()};Blockly.WorkspaceSvg.prototype.addFlyout_=function(){this.flyout_=new Blockly.Flyout({parentWorkspace:this,RTL:this.RTL});this.flyout_.autoClose=!1;var a=this.flyout_.createDom();this.svgGroup_.insertBefore(a,this.svgBlockCanvas_)};
 Blockly.WorkspaceSvg.prototype.resize=function(){this.toolbox_&&this.toolbox_.position();this.flyout_&&this.flyout_.position();this.trashcan&&this.trashcan.position();this.scrollbar&&this.scrollbar.resize()};Blockly.WorkspaceSvg.prototype.getCanvas=function(){return this.svgBlockCanvas_};Blockly.WorkspaceSvg.prototype.getBubbleCanvas=function(){return this.svgBubbleCanvas_};

core/workspace_svg.js

@@ -143,8 +143,6 @@ Blockly.WorkspaceSvg.prototype.createDom = function(opt_backgroundClass) {
   } else if (this.options.languageTree) {
     this.addFlyout_();
   }
-
-  this.fireChangeEvent();
   return this.svgGroup_;
 };