DevTools: Implement extensions-based shortcut bindings

Source/devtools/front_end/SourcesPanel.js

Index: Source/devtools/front_end/SourcesPanel.js
diff --git a/Source/devtools/front_end/SourcesPanel.js b/Source/devtools/front_end/SourcesPanel.js
index f162e6df162f6e920eaae8ce8cee6da904b97a21..f44afe2487d91ec0a51150cef5d0a0f2b978d662 100644
--- a/Source/devtools/front_end/SourcesPanel.js
+++ b/Source/devtools/front_end/SourcesPanel.js
@@ -1855,3 +1855,21 @@ WebInspector.SourcesPanel.EditorAction.prototype = {
      */
     button: function(panel) { }
 }
+
+/**
+ * @constructor
+ * @implements {WebInspector.ActionDelegate}
+ */
+WebInspector.SourcesPanel.ShowGoToSourceDialogActionDelegate = function() {}
+
+WebInspector.SourcesPanel.ShowGoToSourceDialogActionDelegate.prototype = {
+    /**
+     * @param {!KeyboardEvent=} event
+     * @return {boolean}
+     */
+    handleAction: function(event)
+    {
+        /** @type {!WebInspector.SourcesPanel} */ (WebInspector.showPanel("sources")).showGoToSourceDialog();
+        return true;
+    }
+}