Get rid of Utils.threadManager

chrome/content/ui/sendReport.js

Index: chrome/content/ui/sendReport.js
===================================================================
--- a/chrome/content/ui/sendReport.js
+++ b/chrome/content/ui/sendReport.js
@@ -376,17 +376,17 @@ let screenshotDataSource =
     this._context.lineJoin = "round";
 
     // Reduce colors asynchronously
     this._pixelData = this._context.getImageData(this.imageOffset, this.imageOffset,
                                       this._canvas.width - this.imageOffset * 2,
                                       this._canvas.height - this.imageOffset * 2);
     this._max = this._pixelData.width * this._pixelData.height * 4;
     this._i = 0;
-    Utils.threadManager.currentThread.dispatch(this, Ci.nsIEventTarget.DISPATCH_NORMAL);
+    Utils.runAsync(this.run.bind(this));
   },
 
   run: function()
   {
     // Process only 5000 bytes at a time to prevent browser hangs
     let endIndex = Math.min(this._i + 5000, this._max);
     let i = this._i;
     for (; i < endIndex; i++)
@@ -396,17 +396,17 @@ let screenshotDataSource =
     {
       // Save data back and we are done
       this._context.putImageData(this._pixelData, this.imageOffset, this.imageOffset);
       this._callback();
     }
     else
     {
       this._i = i;
-      Utils.threadManager.currentThread.dispatch(this, Ci.nsIEventTarget.DISPATCH_NORMAL);
+      Utils.runAsync(this.run.bind(this));
     }
   },
 
   get enabled() this._enabled,
   set enabled(enabled)
   {
     if (this._enabled == enabled)
       return;