[DevTools] Move extension embedder message to InspectorFrontentAPI.

Source/devtools/front_end/devtools_app/DevToolsApp.js

Index: Source/devtools/front_end/devtools_app/DevToolsApp.js
diff --git a/Source/devtools/front_end/devtools_app/DevToolsApp.js b/Source/devtools/front_end/devtools_app/DevToolsApp.js
index 38652b27937c172e52fb27d880d9977b4349f628..988422d53e253b0506a460fe2b37e22c90957e38 100644
--- a/Source/devtools/front_end/devtools_app/DevToolsApp.js
+++ b/Source/devtools/front_end/devtools_app/DevToolsApp.js
@@ -10,12 +10,6 @@ WebInspector.DevToolsApp = function()
 {
     window.InspectorAppHost = this;
 
-    // FIXME: These methods are invoked from the backend and should be removed
-    // once we migrate to the "pull" model for extensions retrieval.
-    WebInspector.addExtensions = this._wrapInvocation.bind(this, "addExtensions");
-    WebInspector.setInspectedTabId = this._wrapInvocation.bind(this, "setInspectedTabId");
-    this._invokeOnWebInspectorOnceLoaded = [];
-
     /**
      * @type {?Window}
      */
@@ -50,33 +44,6 @@ WebInspector.DevToolsApp.prototype = {
      */
     afterInspectorAppLoad: function()
     {
-        while (this._invokeOnWebInspectorOnceLoaded.length) {
-            var methodAndParams = this._invokeOnWebInspectorOnceLoaded.shift();
-            this._invokeOnWebInspector(methodAndParams[0], methodAndParams[1]);
-        }
-    },
-
-    /**
-     * @param {string} method
-     */
-    _wrapInvocation: function(method)
-    {
-        var params = Array.prototype.slice.call(arguments, 1);
-        if (this._inspectorWindow) {
-            this._invokeOnWebInspector(method, params);
-        } else {
-            this._invokeOnWebInspectorOnceLoaded.push([method, params]);
-        }
-    },
-
-    /**
-     * @param {string} method
-     * @param {!Array.<*>} params
-     */
-    _invokeOnWebInspector: function(method, params)
-    {
-        var webInspector = this._inspectorWindow["WebInspector"];
-        webInspector[method].apply(webInspector, params);
     }
 }