Remove SetUpMockAccountReconcilor().

iOS doesn't seem to be using URLFetcher to fetch account information,
so remove iOS code to mock out URLFetcher responses.

Bug: None
Change-Id: I703d71c11decf168541c1181b7836000ef80d129
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1611868
Commit-Queue: Matt Menke <mmenke@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660858}

ios/chrome/test/app/signin_test_util.mm

@@ -20,51 +20,11 @@
 #import "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #import "ios/public/provider/chrome/browser/signin/fake_chrome_identity.h"
 #import "ios/public/provider/chrome/browser/signin/fake_chrome_identity_service.h"
-#include "net/http/http_status_code.h"
-#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
-#include "net/url_request/test_url_fetcher_factory.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "net/url_request/url_request_status.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
-namespace {
-
-net::FakeURLFetcherFactory* gFakeURLFetcherFactory = nullptr;
-
-// Specialization of the FakeURLFetcherFactory that will recognize GET requests
-// for MergeSession and answer those requests correctly.
-class MergeSessionFakeURLFetcherFactory : public net::FakeURLFetcherFactory {
- public:
-  explicit MergeSessionFakeURLFetcherFactory(URLFetcherFactory* default_factory)
-      : net::FakeURLFetcherFactory(default_factory) {}
-  std::unique_ptr<net::URLFetcher> CreateURLFetcher(
-      int id,
-      const GURL& url,
-      net::URLFetcher::RequestType request_type,
-      net::URLFetcherDelegate* d,
-      net::NetworkTrafficAnnotationTag traffic_annotation) override {
-    const GURL kMergeSessionURL =
-        GURL("https://accounts.google.com/MergeSession");
-    url::Replacements<char> replacements;
-    replacements.ClearRef();
-    replacements.ClearQuery();
-    if (url.ReplaceComponents(replacements) != kMergeSessionURL) {
-      // URL is not a MergeSession GET. Use the default method.
-      return net::FakeURLFetcherFactory::CreateURLFetcher(
-          id, url, request_type, d, traffic_annotation);
-    }
-    // Actual MergeSession request. Answer is ignored by the AccountReconcilor,
-    // so it can also be empty.
-    return std::unique_ptr<net::FakeURLFetcher>(new net::FakeURLFetcher(
-        url, d, "", net::HTTP_OK, net::URLRequestStatus::SUCCESS));
-  }
-};
-
-}  // namespace
-
 namespace chrome_test_util {
 
 void SetUpMockAuthentication() {
@@ -85,53 +45,11 @@ void TearDownMockAuthentication() {
 }
 
 void SetUpMockAccountReconcilor() {
-  gFakeURLFetcherFactory =
-      new MergeSessionFakeURLFetcherFactory(new net::URLFetcherImplFactory());
   GaiaAuthFetcherIOS::SetShouldUseGaiaAuthFetcherIOSForTesting(false);
-
-  // Answer is URLs in JSON that will be fetched and used in MergeSession that
-  // we also intercept, so it can be empty.
-  const GURL kCheckConnectionInfoURL = GURL(base::StringPrintf(
-      "https://accounts.google.com/GetCheckConnectionInfo?source=%s",
-      GaiaConstants::kChromeSource));
-  gFakeURLFetcherFactory->SetFakeResponse(kCheckConnectionInfoURL, "[]",
-                                          net::HTTP_OK,
-                                          net::URLRequestStatus::SUCCESS);
-
-  // No accounts in the cookie jar, will trigger a MergeSession for all of
-  // them.
-  const GURL kListAccountsURL = GURL(base::StringPrintf(
-      "https://accounts.google.com/ListAccounts?source=%s&json=standard",
-      GaiaConstants::kChromeSource));
-  gFakeURLFetcherFactory->SetFakeResponse(kListAccountsURL, "[\"\",[]]",
-                                          net::HTTP_OK,
-                                          net::URLRequestStatus::SUCCESS);
-
-  // Ubertoken, which is sent for the MergeSession that we also intercept, so
-  // it can be any bogus token.
-  const GURL kUbertokenURL = GURL(base::StringPrintf(
-      "https://accounts.google.com/OAuthLogin?source=%s&issueuberauth=1",
-      GaiaConstants::kChromeSource));
-  gFakeURLFetcherFactory->SetFakeResponse(
-      kUbertokenURL, "1234-asdf-fake-ubertoken", net::HTTP_OK,
-      net::URLRequestStatus::SUCCESS);
-
-  // MergeSession request is handled by MergeSessionFakeURLFetcherFactory.
-
-  // If a profile was previously signed in without chrome identity, a logout
-  // action is done and will block all other requests until it has been dealt
-  // with.
-  const GURL kLogoutURL =
-      GURL(base::StringPrintf("https://accounts.google.com/Logout?source=%s",
-                              GaiaConstants::kChromeSource));
-  gFakeURLFetcherFactory->SetFakeResponse(kLogoutURL, "", net::HTTP_OK,
-                                          net::URLRequestStatus::SUCCESS);
 }
 
 void TearDownMockAccountReconcilor() {
   GaiaAuthFetcherIOS::SetShouldUseGaiaAuthFetcherIOSForTesting(true);
-  delete gFakeURLFetcherFactory;
-  gFakeURLFetcherFactory = nullptr;
 }
 
 bool SignOutAndClearAccounts() {