DevTools: use interface for ObjectUI and make it a non-autostart module

third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js

Index: third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js
diff --git a/third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js b/third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js
index c49ba9369963b4bc8b2cb83b0adb6bb6e928cfa9..901b771209a7f5bff4b76e8da4aa062051aa0096 100644
--- a/third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js
+++ b/third_party/WebKit/Source/devtools/front_end/common/ModuleExtensionInterfaces.js
@@ -26,6 +26,7 @@ Common.Renderer.renderPromise = function(object) {
 
   /**
    * @param {!Common.Renderer} renderer
+   * @return {!Promise.<!Element>}
    */
   function render(renderer) {
     return renderer.render(object);
@@ -35,6 +36,41 @@ Common.Renderer.renderPromise = function(object) {
 /**
  * @interface
  */
+Common.RemoteObjectRenderer = function() {};
+
+Common.RemoteObjectRenderer.prototype = {
+  /**
+   * @param {!Object} object
+   * @param {!Common.RemoteObjectRenderer.Options=} options
+   * @return {?Element}
+   */
+  render(object, options) {}
+};
+
+/**
+ * @param {!Object} object
+ * @param {!Common.RemoteObjectRenderer.Options=} options
+ * @return {!Promise.<!Element>}
+ */
+Common.RemoteObjectRenderer.renderPromise = function(object, options) {
+  var error = new Error('Can\'t render ' + object);
+  if (!object)
+    return Promise.reject(error);
+  return self.runtime.extension(Common.RemoteObjectRenderer, object).instance().then(renderer => {
+    var element = renderer.render(object, options);
+    if (!element)
+      return Promise.reject(error);
+    return element;
+  });
+};
+
+/** @typedef {!{title: (string|!Element|undefined), expand: (boolean|undefined),
+  *   editable: (boolean|undefined)}} */
+Common.RemoteObjectRenderer.Options;
+
+/**
+ * @interface
+ */
 Common.Revealer = function() {};
 
 /**