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

chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller_unittest.mm

 // Copyright 2016 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 "chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chooser_controller/mock_chooser_controller.h"
 #import "chrome/browser/ui/cocoa/chooser_content_view_cocoa.h"
-#import "chrome/browser/ui/cocoa/cocoa_profile_test.h"
-#include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa.h"
 #include "chrome/browser/ui/cocoa/spinner_view.h"
+#import "chrome/browser/ui/cocoa/test/cocoa_profile_test.h"
+#include "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
 #include "chrome/grit/generated_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_unittest_util.h"
@@ skipping 1191 matching lines @@
       MockChooserController::ConnectedPairedStatus::NONE);
 
   // Select option 0 and press "Get help" button.
   [table_view_ selectRowIndexes:[NSIndexSet indexSetWithIndex:0]
            byExtendingSelection:NO];
   EXPECT_CALL(*mock_chooser_controller_, Select(testing::_)).Times(0);
   EXPECT_CALL(*mock_chooser_controller_, Cancel()).Times(0);
   EXPECT_CALL(*mock_chooser_controller_, OpenHelpCenterUrl()).Times(1);
   [help_button_ performClick:chooser_dialog_controller_];
 }