Introduced StoreKitTabHelper class

ios/chrome/browser/ui/downloads/download_manager_controller_unittest.mm

 // Copyright 2014 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.
 
 #import "ios/chrome/browser/ui/downloads/download_manager_controller.h"
 
 #import <UIKit/UIKit.h>
 
 #include <memory>
 
 #import "base/mac/scoped_nsobject.h"
 #include "base/message_loop/message_loop.h"
-#import "ios/chrome/browser/storekit_launcher.h"
+#import "ios/chrome/browser/store_kit/store_kit_launcher.h"
 #include "ios/web/public/test/test_web_thread.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 
 using net::HttpResponseHeaders;
@@ skipping 122 matching lines @@
   EXPECT_FALSE(
       [[UIApplication sharedApplication] isNetworkActivityIndicatorVisible]);
 
   EXPECT_TRUE([_controller fileTypeLabel].hidden);
   EXPECT_FALSE([_controller downloadButton].hidden);
   EXPECT_FALSE([_controller errorIcon].hidden);
   EXPECT_FALSE([_controller errorOrSizeLabel].hidden);
 }
 
 }  // namespace