Remove the //ios/public/test target.

ios/public/test/test_chrome_browser_provider.mm

-// Copyright 2013 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 "ios/public/test/test_chrome_browser_provider.h"
-
-#include "base/logging.h"
-#include "components/signin/ios/browser/fake_profile_oauth2_token_service_ios_provider.h"
-#include "ios/public/provider/chrome/browser/signin/chrome_identity_service.h"
-#import "ios/public/test/test_updatable_resource_provider.h"
-
-namespace ios {
-
-TestChromeBrowserProvider::TestChromeBrowserProvider()
-    : oauth2_token_service_provider_(
-          new FakeProfileOAuth2TokenServiceIOSProvider),
-      chrome_identity_service_(new ios::ChromeIdentityService),
-      test_updatable_resource_provider_(new TestUpdatableResourceProvider) {}
-
-TestChromeBrowserProvider::~TestChromeBrowserProvider() {
-}
-
-// static
-TestChromeBrowserProvider* TestChromeBrowserProvider::GetTestProvider() {
-  ChromeBrowserProvider* provider = GetChromeBrowserProvider();
-  DCHECK(provider);
-  return static_cast<TestChromeBrowserProvider*>(provider);
-}
-
-ProfileOAuth2TokenServiceIOSProvider*
-TestChromeBrowserProvider::GetProfileOAuth2TokenServiceIOSProvider() {
-  return oauth2_token_service_provider_.get();
-}
-
-ChromeIdentityService* TestChromeBrowserProvider::GetChromeIdentityService() {
-  return chrome_identity_service_.get();
-}
-
-UpdatableResourceProvider*
-TestChromeBrowserProvider::GetUpdatableResourceProvider() {
-  return test_updatable_resource_provider_.get();
-}
-
-}  // namespace ios