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

chrome/browser/ui/cocoa/autofill/autofill_bubble_controller_unittest.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.
 
 #import "chrome/browser/ui/cocoa/autofill/autofill_bubble_controller.h"
 
-#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
-#include "chrome/browser/ui/cocoa/run_loop_testing.h"
+#import "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
+#include "chrome/browser/ui/cocoa/test/run_loop_testing.h"
 
 class AutofillBubbleControllerTest : public CocoaTest {
 };
 
 TEST_F(AutofillBubbleControllerTest, ShowAndClose) {
   AutofillBubbleController* controller =
       [[AutofillBubbleController alloc] initWithParentWindow:test_window()
                                                           message:@"test msg"];
   EXPECT_FALSE([[controller window] isVisible]);
 
   [controller showWindow:nil];
   EXPECT_TRUE([[controller window] isVisible]);
 
   // Close will self-delete, but all pending messages must be processed so the
   // deallocation happens.
   [controller close];
   chrome::testing::NSRunLoopRunAllPending();
 }