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

chrome/browser/ui/cocoa/browser_window_cocoa_unittest.mm

 // Copyright (c) 2011 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/browser_window_cocoa.h"
 
 #include <memory>
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
-#include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
+#include "chrome/browser/ui/cocoa/test/cocoa_profile_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_details.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "third_party/ocmock/gtest_support.h"
 
 // Main test class.
 class BrowserWindowCocoaTest : public CocoaProfileTest {
   void SetUp() override {
     CocoaProfileTest::SetUp();
@@ skipping 178 matching lines @@
   [[[window_ stub] andReturn:nil] delegate];
   [[[controller_ stub] andReturn:window_] window];
   [[window_ expect] orderOut:nil];
   [[window_ expect] close];
   CreateAndCloseBrowserWindow();
   EXPECT_OCMOCK_VERIFY(controller_);
   EXPECT_OCMOCK_VERIFY(window_);
 }
 
 // TODO(???): test other methods of BrowserWindowCocoa