Split up ios/web:test_support.

ios/web/test/web_int_test.mm

 // Copyright 2015 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/web/test/web_int_test.h"
 
 #import "base/ios/block_types.h"
 #include "base/memory/ptr_util.h"
 #import "base/test/ios/wait_util.h"
-#import "ios/web/public/test/http_server.h"
+#import "ios/web/public/test/http_server/http_server.h"
 #import "ios/web/public/test/js_test_util.h"
 #include "ios/web/public/web_state/web_state_observer.h"
 #import "ios/web/public/web_view_creation_util.h"
 
 namespace web {
 
 #pragma mark - IntTestWebStateObserver
 
 // WebStateObserver class that is used to track when page loads finish.
 class IntTestWebStateObserver : public web::WebStateObserver {
@@ skipping 125 matching lines @@
 NSInteger WebIntTest::GetIndexOfNavigationItem(
     const web::NavigationItem* item) {
   for (NSInteger i = 0; i < navigation_manager()->GetItemCount(); ++i) {
     if (navigation_manager()->GetItemAtIndex(i) == item)
       return i;
   }
   return NSNotFound;
 }
 
 }  // namespace web