Remove code to defer app window appearance until first paint.

extensions/browser/app_window/app_window_contents.cc

 // Copyright 2013 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.
 
 #include "extensions/browser/app_window/app_window_contents.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 64 matching lines @@
   rfh->Send(new ExtensionMsg_MessageInvoke(rfh->GetRoutingID(),
                                            host_->extension_id(), "app.window",
                                            "updateAppWindowProperties", args));
 }
 
 void AppWindowContentsImpl::NativeWindowClosed() {
   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
   rvh->Send(new ExtensionMsg_AppWindowClosed(rvh->GetRoutingID()));
 }
 
-void AppWindowContentsImpl::DispatchWindowShownForTests() const {
-  base::ListValue args;
-  content::RenderFrameHost* rfh = web_contents_->GetMainFrame();
-  rfh->Send(new ExtensionMsg_MessageInvoke(rfh->GetRoutingID(),
-                                           host_->extension_id(), "app.window",
-                                           "appWindowShownForTests", args));
-}
-
 void AppWindowContentsImpl::OnWindowReady() {
   is_window_ready_ = true;
   if (is_blocking_requests_) {
     is_blocking_requests_ = false;
     content::ResourceDispatcherHost::ResumeBlockedRequestsForFrameFromUI(
         web_contents_->GetMainFrame());
   }
 }
 
 content::WebContents* AppWindowContentsImpl::GetWebContents() const {
@@ skipping 29 matching lines @@
     content::RenderFrameHost* rfh) {
   DCHECK(rfh);
   // Don't bother blocking requests if the renderer side is already good to go.
   if (is_window_ready_)
     return;
   is_blocking_requests_ = true;
   content::ResourceDispatcherHost::BlockRequestsForFrameFromUI(rfh);
 }
 
 }  // namespace extensions