Migrate process_dice_header_delegate_impl_unittest.cc to IdentityTestEnvironment

After successfully migrating the ProcessDiceHeaderDelegateImpl we can
complete the job by also migrating the unit test. Several fake objects
were removed in favour of IdentityTestEnvironment which also provides
an IdentityManager.

Bug: 890791
Change-Id: Ie689268b0b9e2569a4cce5c4abe645d3daa82c7e
Reviewed-on: https://chromium-review.googlesource.com/c/1282743Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Sergio Villar <svillar@igalia.com>
Cr-Commit-Position: refs/heads/master@{#599985}

chrome/browser/signin/process_dice_header_delegate_impl_unittest.cc

@@ -12,15 +12,10 @@
 #include "base/bind_helpers.h"
 #include "chrome/common/webui_url_constants.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
-#include "components/signin/core/browser/account_tracker_service.h"
-#include "components/signin/core/browser/fake_gaia_cookie_manager_service.h"
-#include "components/signin/core/browser/fake_profile_oauth2_token_service.h"
-#include "components/signin/core/browser/fake_signin_manager.h"
 #include "components/signin/core/browser/profile_management_switches.h"
-#include "components/signin/core/browser/test_signin_client.h"
-#include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "content/public/browser/web_contents.h"
 #include "services/identity/public/cpp/identity_manager.h"
+#include "services/identity/public/cpp/identity_test_environment.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ -37,45 +32,21 @@ class ProcessDiceHeaderDelegateImplTest
     : public ChromeRenderViewHostTestHarness {
  public:
   ProcessDiceHeaderDelegateImplTest()
-      : signin_client_(&pref_service_),
-        token_service_(&pref_service_),
-        signin_manager_(&signin_client_,
-                        &token_service_,
-                        &account_tracker_service_,
-                        nullptr),
-        gaia_cookie_manager_service_(&token_service_,
-                                     "process_dice_header_delegate",
-                                     &signin_client_),
-        identity_manager_(&signin_manager_,
-                          &token_service_,
-                          &account_tracker_service_,
-                          &gaia_cookie_manager_service_),
-        enable_sync_called_(false),
+      : enable_sync_called_(false),
         show_error_called_(false),
         account_id_("12345"),
         email_("foo@bar.com"),
-        auth_error_(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS) {
-    AccountTrackerService::RegisterPrefs(pref_service_.registry());
-    ProfileOAuth2TokenService::RegisterProfilePrefs(pref_service_.registry());
-    SigninManager::RegisterProfilePrefs(pref_service_.registry());
-    account_tracker_service_.Initialize(&pref_service_, base::FilePath());
-  }
+        auth_error_(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS) {}
 
-  ~ProcessDiceHeaderDelegateImplTest() override {
-    signin_manager_.Shutdown();
-    account_tracker_service_.Shutdown();
-    token_service_.Shutdown();
-    signin_client_.Shutdown();
-    gaia_cookie_manager_service_.Shutdown();
-  }
+  ~ProcessDiceHeaderDelegateImplTest() override {}
 
   // Creates a ProcessDiceHeaderDelegateImpl instance.
   std::unique_ptr<ProcessDiceHeaderDelegateImpl> CreateDelegate(
       bool is_sync_signin_tab,
       signin::AccountConsistencyMethod account_consistency) {
     return std::make_unique<ProcessDiceHeaderDelegateImpl>(
-        web_contents(), account_consistency, &identity_manager_,
-        is_sync_signin_tab,
+        web_contents(), account_consistency,
+        identity_test_environment_.identity_manager(), is_sync_signin_tab,
         base::BindOnce(&ProcessDiceHeaderDelegateImplTest::StartSyncCallback,
                        base::Unretained(this)),
         base::BindOnce(
@@ -101,13 +72,7 @@ class ProcessDiceHeaderDelegateImplTest
     show_error_called_ = true;
   }
 
-  sync_preferences::TestingPrefServiceSyncable pref_service_;
-  TestSigninClient signin_client_;
-  FakeProfileOAuth2TokenService token_service_;
-  AccountTrackerService account_tracker_service_;
-  FakeSigninManager signin_manager_;
-  FakeGaiaCookieManagerService gaia_cookie_manager_service_;
-  identity::IdentityManager identity_manager_;
+  identity::IdentityTestEnvironment identity_test_environment_;
 
   bool enable_sync_called_;
   bool show_error_called_;
@@ -194,7 +159,7 @@ TEST_P(ProcessDiceHeaderDelegateImplTestEnableSync, EnableSync) {
   NavigateAndCommit(kSigninURL);
   ASSERT_EQ(kSigninURL, web_contents()->GetVisibleURL());
   if (GetParam().signed_in)
-    signin_manager_.SignIn("gaia_id", "user", "pass");
+    identity_test_environment_.SetPrimaryAccount(email_);
   std::unique_ptr<ProcessDiceHeaderDelegateImpl> delegate =
       CreateDelegate(GetParam().signin_tab, GetParam().account_consistency);
 
@@ -242,7 +207,7 @@ TEST_P(ProcessDiceHeaderDelegateImplTestHandleTokenExchangeFailure,
   NavigateAndCommit(kSigninURL);
   ASSERT_EQ(kSigninURL, web_contents()->GetVisibleURL());
   if (GetParam().signed_in)
-    signin_manager_.SignIn("gaia_id", "user", "pass");
+    identity_test_environment_.SetPrimaryAccount(email_);
   std::unique_ptr<ProcessDiceHeaderDelegateImpl> delegate =
       CreateDelegate(GetParam().signin_tab, GetParam().account_consistency);