Delay loading the NTP after sign in until MergeSession has been performed in

chrome/browser/extensions/api/webstore_private/webstore_private_api.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/webstore_private/webstore_private_api.h"
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 433 matching lines @@
   // Matches the AddRef in RunImpl().
   Release();
 }
 
 void WebstorePrivateBeginInstallWithManifest3Function::SigninSuccess() {
   signin_tracker_.reset();
 
   SigninCompletedOrNotNeeded();
 }
 
+void WebstorePrivateBeginInstallWithManifest3Function::MergeSessionComplete(
+    const GoogleServiceAuthError& error) {
+  // TODO(rogerta): once the embeded inline flow is enabled, the code in
+  // WebstorePrivateBeginInstallWithManifest3Function::SigninSuccess()
+  // should move to here.
+}
+
 void WebstorePrivateBeginInstallWithManifest3Function::
     SigninCompletedOrNotNeeded() {
   content::WebContents* web_contents = GetAssociatedWebContents();
   if (!web_contents)  // The browser window has gone away.
     return;
   install_prompt_.reset(new ExtensionInstallPrompt(web_contents));
   install_prompt_->ConfirmWebstoreInstall(
       this,
       dummy_extension_.get(),
       &icon_,
@@ skipping 210 matching lines @@
   return true;
 }
 
 bool WebstorePrivateIsInIncognitoModeFunction::RunImpl() {
   results_ = IsInIncognitoMode::Results::Create(
       GetProfile() != GetProfile()->GetOriginalProfile());
   return true;
 }
 
 }  // namespace extensions