DevTools: remove Canvas profiler from DevTools source base. See details in the bug.

Source/devtools/front_end/profiler/ProfileTypeRegistry.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
  */
 WebInspector.ProfileTypeRegistry = function()
 {
     this._profileTypes = [];
 
     this.cpuProfileType = new WebInspector.CPUProfileType();
     this._addProfileType(this.cpuProfileType);
     this.heapSnapshotProfileType = new WebInspector.HeapSnapshotProfileType();
     this._addProfileType(this.heapSnapshotProfileType);
     this.trackingHeapSnapshotProfileType = new WebInspector.TrackingHeapSnapshotProfileType();
     this._addProfileType(this.trackingHeapSnapshotProfileType);
-
-    if (Runtime.experiments.isEnabled("canvasInspection")) {
-        this.canvasProfileType = new WebInspector.CanvasProfileType();
-        this._addProfileType(this.canvasProfileType);
-    }
 }
 
 WebInspector.ProfileTypeRegistry.prototype = {
     /**
      * @param {!WebInspector.ProfileType} profileType
      */
     _addProfileType: function(profileType)
     {
         this._profileTypes.push(profileType);
     },
 
     /**
      * @return {!Array.<!WebInspector.ProfileType>}
      */
     profileTypes: function()
     {
         return this._profileTypes;
     }
 }
 
 WebInspector.ProfileTypeRegistry.instance = new WebInspector.ProfileTypeRegistry();