Split up ios/web:test_support.

ios/chrome/browser/web/progress_indicator_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.
 
 #import <EarlGrey/EarlGrey.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #include "ios/chrome/test/app/navigation_test_util.h"
 #include "ios/chrome/test/app/web_view_interaction_test_util.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey_ui.h"
 #import "ios/chrome/test/earl_grey/chrome_matchers.h"
 #import "ios/chrome/test/earl_grey/chrome_test_case.h"
 #import "ios/third_party/material_components_ios/src/components/ProgressView/src/MaterialProgressView.h"
-#import "ios/web/public/test/http_server.h"
-#import "ios/web/public/test/http_server_util.h"
-#include "ios/web/public/test/response_providers/html_response_provider.h"
+#include "ios/web/public/test/http_server/html_response_provider.h"
+#import "ios/web/public/test/http_server/http_server.h"
+#import "ios/web/public/test/http_server/http_server_util.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 using chrome_test_util::WebViewContainingText;
 
 namespace {
 
@@ skipping 220 matching lines @@
       assertWithMatcher:grey_notNil()];
 
   chrome_test_util::SubmitWebViewFormWithId(kFormID);
 
   // Verify progress view is not visible.
   [[EarlGrey selectElementWithMatcher:grey_kindOfClass([MDCProgressView class])]
       assertWithMatcher:grey_notVisible()];
 }
 
 @end