Revert of ChromeWebView integration test for Incognito.

ios/web_view/test/web_view_incognito_inttest.mm

-// Copyright 2017 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 <ChromeWebView/ChromeWebView.h>
-#import <WebKit/WebKit.h>
-
-#import "ios/web_view/test/web_view_test.h"
-#import "ios/web_view/test/web_view_test_util.h"
-#import "net/base/mac/url_conversions.h"
-#include "testing/gtest_mac.h"
-#include "url/gurl.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace ios_web_view {
-
-namespace {
-
-// Creates web view with incognito configuration and frame equal to screen
-// bounds.
-CWVWebView* CreateIncognitoWebView() {
-  return test::CreateWebView([CWVWebViewConfiguration incognitoConfiguration]);
-}
-
-}  // namespace
-
-// Test fixture for incognito browsing mode.
-typedef ios_web_view::WebViewTest WebViewIncognitoTest;
-
-// Tests that browsing data (cookie and localStorage) does not leak from
-// non-incognito to incognito web view.
-TEST_F(WebViewIncognitoTest, BrowsingDataNotLeakingToIncognito) {
-  // CWVWebView does not allow JavaScript execution if the page was not loaded.
-  GURL url = GetUrlForPageWithHtmlBody(std::string());
-  ASSERT_TRUE(test::LoadUrl(web_view_, net::NSURLWithGURL(url)));
-
-  NSError* error = nil;
-  test::EvaluateJavaScript(web_view_, @"localStorage.setItem('k', 'v');",
-                           &error);
-  ASSERT_NSEQ(nil, error);
-  test::EvaluateJavaScript(web_view_, @"document.cookie='n=v;'", &error);
-  ASSERT_NSEQ(nil, error);
-
-  // Create web view with the same configuration, otherwise browswing data may
-  // not be shared immidiately. Make sure that new web view has browsing data
-  // from the previous web view.
-  CWVWebView* non_incognito_web_view =
-      test::CreateWebView([web_view_ configuration]);
-  ASSERT_TRUE(test::LoadUrl(non_incognito_web_view, net::NSURLWithGURL(url)));
-  id localStorageValue = test::EvaluateJavaScript(
-      non_incognito_web_view, @"localStorage.getItem('k');", &error);
-  ASSERT_NSEQ(nil, error);
-  ASSERT_NSEQ(@"v", localStorageValue);
-  id cookie = test::EvaluateJavaScript(non_incognito_web_view,
-                                       @"document.cookie", &error);
-  ASSERT_NSEQ(nil, error);
-  ASSERT_TRUE([cookie containsString:@"n=v"]);
-
-  // Verify that incognito web view does not have browsing data from
-  // non-incognito web view.
-  CWVWebView* incognito_web_view = CreateIncognitoWebView();
-  ASSERT_TRUE(incognito_web_view);
-  ASSERT_TRUE(test::LoadUrl(incognito_web_view, net::NSURLWithGURL(url)));
-  localStorageValue = test::EvaluateJavaScript(
-      incognito_web_view, @"localStorage.getItem('k');", &error);
-  EXPECT_NSEQ(nil, error);
-  ASSERT_NSEQ([NSNull null], localStorageValue);
-  cookie =
-      test::EvaluateJavaScript(incognito_web_view, @"document.cookie", &error);
-  EXPECT_NSEQ(nil, error);
-  ASSERT_NSEQ(@"", cookie);
-}
-
-// Tests that browsing data (cookie and localStorage) does not leak from
-// incognito to non-incognito web view.
-TEST_F(WebViewIncognitoTest, BrowsingDataNotLeakingFromIncognito) {
-  // CWVWebView does not allow JavaScript execution if the page was not loaded.
-  CWVWebView* incognito_web_view = CreateIncognitoWebView();
-  GURL url = GetUrlForPageWithHtmlBody(std::string());
-  ASSERT_TRUE(test::LoadUrl(incognito_web_view, net::NSURLWithGURL(url)));
-
-  NSError* error = nil;
-  test::EvaluateJavaScript(incognito_web_view,
-                           @"localStorage.setItem('k2', 'v');", &error);
-  // |localStorage.setItem| throws exception in Incognito.
-  ASSERT_EQ(WKErrorJavaScriptExceptionOccurred, error.code);
-  test::EvaluateJavaScript(incognito_web_view, @"document.cookie='n2=v;'",
-                           &error);
-  ASSERT_NSEQ(nil, error);
-
-  // Create incognito web view with the same configuration, otherwise browswing
-  // data will not be shared. Make sure that new incognito web view has browsing
-  // data from the previous incognito web view.
-  CWVWebView* incognito_web_view2 =
-      test::CreateWebView([incognito_web_view configuration]);
-  ASSERT_TRUE(test::LoadUrl(incognito_web_view2, net::NSURLWithGURL(url)));
-  id localStorageValue = test::EvaluateJavaScript(
-      incognito_web_view2, @"localStorage.getItem('k2');", &error);
-  ASSERT_NSEQ(nil, error);
-  ASSERT_NSEQ([NSNull null], localStorageValue);
-  id cookie =
-      test::EvaluateJavaScript(incognito_web_view2, @"document.cookie", &error);
-  ASSERT_NSEQ(nil, error);
-  ASSERT_TRUE([cookie containsString:@"n2=v"]);
-
-  // Verify that non-incognito web view does not have browsing data from
-  // incognito web view.
-  ASSERT_TRUE(web_view_);
-  ASSERT_TRUE(test::LoadUrl(web_view_, net::NSURLWithGURL(url)));
-  localStorageValue = test::EvaluateJavaScript(
-      web_view_, @"localStorage.getItem('k2');", &error);
-  EXPECT_NSEQ(nil, error);
-  ASSERT_NSEQ([NSNull null], localStorageValue);
-  cookie = test::EvaluateJavaScript(web_view_, @"document.cookie", &error);
-  EXPECT_NSEQ(nil, error);
-  ASSERT_FALSE([cookie containsString:@"n2=v"]);
-}
-
-}  // namespace ios_web_view