DevTools: Make WI.Target.Capabilities enum values uppercase

Source/devtools/front_end/main/ScreencastApp.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
  * @extends {WebInspector.App}
  */
 WebInspector.ScreencastApp = function()
 {
@@ skipping 22 matching lines @@
 
         WebInspector.inspectorView.show(this._rootSplitView.sidebarElement());
         rootView.attachToBody();
     },
 
     /**
      * @param {!WebInspector.Target} mainTarget
      */
     presentUI: function(mainTarget)
     {
-        if (mainTarget.hasCapability(WebInspector.Target.Capabilities.canScreencast)) {
+        if (mainTarget.hasCapability(WebInspector.Target.Capabilities.CanScreencast)) {
             this._screencastView = new WebInspector.ScreencastView(mainTarget);
             this._screencastView.show(this._rootSplitView.mainElement());
             this._screencastView.initialize();
             this._onStatusBarButtonStateChanged(this._currentScreencastState.get());
         } else {
             this._onStatusBarButtonStateChanged("disabled");
             this._toggleScreencastButton.setEnabled(false);
         }
         WebInspector.App.prototype.presentUI.call(this, mainTarget);
     },
@@ skipping 34 matching lines @@
     /**
      * @return {?WebInspector.StatusBarButton}
      */
     button: function()
     {
         if (!(WebInspector.app instanceof WebInspector.ScreencastApp))
             return null;
         return /** @type {!WebInspector.ScreencastApp} */ (WebInspector.app)._toggleScreencastButton;
     }
 }