Two fixes for the limited install from webstore flag.

chrome/browser/extensions/startup_helper.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/startup_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 304 matching lines @@
     Profile* profile,
     base::Callback<void()> done_callback) {
   std::string id = WebStoreIdFromLimitedInstallCmdLine(cmd_line);
   if (!Extension::IdIsValid(id)) {
     LOG(ERROR) << "Invalid index for " << switches::kLimitedInstallFromWebstore;
     done_callback.Run();
     return;
   }
 
   AppInstallHelper* helper = new AppInstallHelper();
-  helper->BeginInstall(profile, id, true /*show_prompt*/,
+  helper->BeginInstall(profile, id, false /*show_prompt*/,
                        base::Bind(&DeleteHelperAndRunCallback,
                                   helper, done_callback));
 }
 
 std::string StartupHelper::WebStoreIdFromLimitedInstallCmdLine(
     const CommandLine& cmd_line) {
   std::string index = cmd_line.GetSwitchValueASCII(
       switches::kLimitedInstallFromWebstore);
   std::string id;
   if (index == "1") {
     id = "nckgahadagoaajjgafhacjanaoiihapd";
   } else if (index == "2") {
     id = "ecglahbcnmdpdciemllbhojghbkagdje";
   }
   return id;
 }
 
 StartupHelper::~StartupHelper() {
   if (pack_job_)
     pack_job_->ClearClient();
 }
 
 }  // namespace extensions