Create c/b/ui/cocoa/test and move test files to there

chrome/browser/ui/cocoa/passwords/passwords_bubble_controller_unittest.mm

 // Copyright 2014 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 "chrome/browser/ui/cocoa/passwords/passwords_bubble_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/compiler_specific.h"
 #include "base/mac/foundation_util.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #include "chrome/browser/ui/cocoa/passwords/base_passwords_controller_test.h"
 #import "chrome/browser/ui/cocoa/passwords/manage_passwords_view_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/save_pending_password_view_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/signin_promo_view_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/update_pending_password_view_controller.h"
+#include "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
 #include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller_mock.h"
 #include "components/password_manager/core/browser/password_bubble_experiment.h"
 #include "components/variations/variations_associated_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 
 namespace {
 
@@ skipping 79 matching lines @@
   EXPECT_TRUE(saveController.saveButton);
   [saveController.saveButton performClick:nil];
   EXPECT_EQ([SignInPromoViewController class],
             [[controller() currentController] class]);
   EXPECT_TRUE([[controller() window] isVisible]);
 
   variations::testing::ClearAllVariationParams();
 }
 
 }  // namespace