DevTools: get rid of the global capabilities set.

Source/devtools/front_end/timeline/TimelinePanel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 336 matching lines @@
         topPaneSidebarElement.appendChild(this._createSettingCheckbox(WebInspector.UIString("Capture stacks"),
                                                                       this._captureStacksSetting,
                                                                       WebInspector.UIString("Capture JavaScript stack on every timeline event")));
 
         this._captureMemorySetting = WebInspector.settings.createSetting("timelineCaptureMemory", false);
         topPaneSidebarElement.appendChild(this._createSettingCheckbox(WebInspector.UIString("Capture memory"),
                                                                       this._captureMemorySetting,
                                                                       WebInspector.UIString("Capture memory information on every timeline event")));
         this._captureMemorySetting.addChangeListener(this._onModeChanged, this);
 
-        if (Capabilities.canProfilePower) {
+        if (WebInspector.experimentsSettings.timelinePowerProfiler.isEnabled()) {
             this._capturePowerSetting = WebInspector.settings.createSetting("timelineCapturePower", false);
             topPaneSidebarElement.appendChild(this._createSettingCheckbox(WebInspector.UIString("Capture power"),
                                                                           this._capturePowerSetting,
                                                                           WebInspector.UIString("Capture power information")));
             this._capturePowerSetting.addChangeListener(this._onModeChanged, this);
         }
 
         if (WebInspector.experimentsSettings.timelineTracingMode.isEnabled()) {
             this._captureTracingSetting = WebInspector.settings.createSetting("timelineCaptureTracing", false);
             topPaneSidebarElement.appendChild(this._createSettingCheckbox(WebInspector.UIString("Capture tracing"),
@@ skipping 1106 matching lines @@
      * @param {!WebInspector.TimelineModel.Record} record
      * @return {boolean}
      */
     accept: function(record)
     {
         return !this._regex || this._uiUtils.testContentMatching(record, this._regex);
     },
 
     __proto__: WebInspector.TimelineModel.Filter.prototype
 }