DevTools: Implement debugger pause-resume through an action

Source/devtools/front_end/ForwardedInputEventHandler.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.ForwardedInputEventHandler = function()
 {
 }
 
 WebInspector.ForwardedInputEventHandler.prototype = {
     /**
      * @param {string} type
      * @param {string} keyIdentifier
      * @param {number} keyCode
      * @param {number} modifiers
      */
     keyEventReceived: function(type, keyIdentifier, keyCode, modifiers)
     {
         if (type !== "keydown")
             return;
 
-        // FIXME: Wire this to the shortcut/action subsystem.
-        if (keyIdentifier === "F8" && !modifiers)
-            /** @type {!WebInspector.SourcesPanel} */ (WebInspector.inspectorView.showPanel("sources")).togglePause();
-
+        WebInspector.context.setFlavor(WebInspector.ShortcutRegistry.ForwardedShortcut, WebInspector.ShortcutRegistry.ForwardedShortcut.instance)
         WebInspector.shortcutRegistry.handleKey(WebInspector.KeyboardShortcut.makeKey(keyCode, modifiers), keyIdentifier);
+        WebInspector.context.setFlavor(WebInspector.ShortcutRegistry.ForwardedShortcut, null);
     }
 }
 
 /** @type {!WebInspector.ForwardedInputEventHandler} */
 WebInspector.forwardedEventHandler = new WebInspector.ForwardedInputEventHandler();