Split up ios/web:test_support.

ios/web/shell/test/meta_tags_egtest.mm

 // Copyright 2016 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 <map>
 
 #include "base/strings/stringprintf.h"
 #import "base/test/ios/wait_util.h"
-#import "ios/web/public/test/http_server.h"
-#include "ios/web/public/test/http_server_util.h"
+#import "ios/web/public/test/http_server/http_server.h"
+#include "ios/web/public/test/http_server/http_server_util.h"
 #import "ios/web/shell/test/earl_grey/shell_earl_grey.h"
 #import "ios/web/shell/test/earl_grey/shell_matchers.h"
 #import "ios/web/shell/test/earl_grey/web_shell_test_case.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 
@@ skipping 52 matching lines @@
       base::TimeDelta::FromSecondsD(refreshIntervalInSeconds));
 
   // Verify that redirect happened.
   [[EarlGrey selectElementWithMatcher:AddressFieldText(destinationURL.spec())]
       assertWithMatcher:grey_notNil()];
   [[EarlGrey selectElementWithMatcher:WebViewContainingText(kDestinationPage)]
       assertWithMatcher:grey_notNil()];
 }
 
 @end