DevTools: Implement extensions-based shortcut bindings

Source/devtools/front_end/ResourceTreeModel.js

Index: Source/devtools/front_end/ResourceTreeModel.js
diff --git a/Source/devtools/front_end/ResourceTreeModel.js b/Source/devtools/front_end/ResourceTreeModel.js
index 01340224b749f74f7dd22bc216231375e9806f30..b16efb9f58a68c0648ccc8e5fe8c6b816cc83300 100644
--- a/Source/devtools/front_end/ResourceTreeModel.js
+++ b/Source/devtools/front_end/ResourceTreeModel.js
@@ -461,6 +461,26 @@ WebInspector.ResourceTreeModel.prototype = {
 
 /**
  * @constructor
+ * @implements {WebInspector.ActionDelegate}
+ */
+WebInspector.ResourceTreeModel.ReloadPageActionDelegate = function()
+{
+}
+
+WebInspector.ResourceTreeModel.ReloadPageActionDelegate.prototype = {
+    /**
+     * @param {!KeyboardEvent=} keyEvent
+     * @return {boolean}
+     */
+    handleAction: function(keyEvent)
+    {
+        WebInspector.resourceTreeModel.reloadPage(keyEvent.ctrlKey || keyEvent.shiftKey);
+        return true;
+    }
+}
+
+/**
+ * @constructor
  * @param {!WebInspector.ResourceTreeModel} model
  * @param {?WebInspector.ResourceTreeFrame} parentFrame
  * @param {!PageAgent.FrameId} frameId