Set bookmark bar menu windows to the correct level....

chrome/browser/cocoa/bookmark_bar_folder_controller_unittest.mm

 // Copyright (c) 2010 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 <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/bookmark_bar_controller.h"
 #import "chrome/browser/cocoa/bookmark_bar_folder_controller.h"
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 // Add a redirect to make testing easier.
 @interface BookmarkBarFolderController(MakeTestingEasier)
 - (IBAction)openBookmarkFolderFromButton:(id)sender;
 @end
 
 @implementation BookmarkBarFolderController(MakeTestingEasier)
 - (IBAction)openBookmarkFolderFromButton:(id)sender {
   [[self folderTarget] openBookmarkFolderFromButton:sender];
 }
 @end
 
+// Don't use a high window level when running unit tests -- it'll
+// interfere with anything else you are working on.
+@interface BookmarkBarFolderControllerLow : BookmarkBarFolderController
+@end
+
+@implementation BookmarkBarFolderControllerLow
+- (void)configureWindowLevel {
+  // Intentionally empty.
+}
+@end
+
 
 @interface BookmarkBarFolderControllerPong : BookmarkBarFolderController {
   BOOL childFolderWillShow_;
   BOOL childFolderWillClose_;
 }
 @property(readonly) BOOL childFolderWillShow;
 @property(readonly) BOOL childFolderWillClose;
 @end
 
 @implementation BookmarkBarFolderControllerPong
@@ skipping 111 matching lines @@
   [[bbfc window] close];  // trigger an autorelease of bbfc.get()
 }
 
 TEST_F(BookmarkBarFolderControllerTest, Position) {
  BookmarkButton* parentButton = [[parentBarController_ buttons]
                                    objectAtIndex:0];
   EXPECT_TRUE(parentButton);
 
   // If parent is a BookmarkBarController, grow down.
   scoped_nsobject<BookmarkBarFolderController> bbfc;
-  bbfc.reset([[BookmarkBarFolderController alloc]
+  bbfc.reset([[BookmarkBarFolderControllerLow alloc]
                initWithParentButton:parentButton
                    parentController:parentBarController_]);
   NSPoint pt = [bbfc windowTopLeft];
   EXPECT_EQ(pt.y, NSMinY([[parentBarController_ view] frame]));
 
   // If parent is a BookmarkBarFolderController, grow right.
   scoped_nsobject<BookmarkBarFolderController> bbfc2;
-  bbfc2.reset([[BookmarkBarFolderController alloc]
+  bbfc2.reset([[BookmarkBarFolderControllerLow alloc]
                 initWithParentButton:[[bbfc buttons] objectAtIndex:0]
                     parentController:bbfc.get()]);
   pt = [bbfc2 windowTopLeft];
   EXPECT_EQ(pt.x, NSMaxX([[[bbfc.get() window] contentView] frame]));
 }
 
 TEST_F(BookmarkBarFolderControllerTest, DropDestination) {
   scoped_nsobject<BookmarkBarFolderController> bbfc;
   bbfc.reset(SimpleBookmarkBarFolderController());
   EXPECT_TRUE(bbfc.get());
@@ skipping 106 matching lines @@
 }
 
 
 
 // TODO(jrg): draggingEntered: and draggingExited: trigger timers so
 // they are hard to test.  Factor out "fire timers" into routines
 // which can be overridden to fire immediately to make behavior
 // confirmable.
 // There is a similar problem with mouseEnteredButton: and
 // mouseExitedButton:.