Clean up bookmark_bar_folder_view testing. Specifically get it working with OCMock.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
index b0a681747c47853148abd278d9ec5bb0ee0049cf..7ef2256a4dfef13aeb3bc12103039a8a51796f06 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
@@ -18,12 +18,11 @@
   // mentation comment for - (id<BookmarkButtonControllerProtocol>)controller.
   BookmarkBarFolderController* controller_;
 }
-// Return the controller that owns this view.
-- (id<BookmarkButtonControllerProtocol>)controller;
+@property(readonly, assign) BookmarkBarFolderController* controller;

[John Grabowski, 2011/05/18 20:53:50]

This may be either a BookmarkBarController or a BookmarkBarFolderController. 
Those classes do not have a parent/child relationship; one is an
NSWindowController, the other is an NSViewController.

A return value more specific than id<BookmarkButtonControllerProtocol> is not
correct.

 @end
 
 @interface BookmarkBarFolderView()  // TestingOrInternalAPI
 @property(assign) BOOL dropIndicatorShown;
 @property(readonly) CGFloat dropIndicatorPosition;
-- (void)setController:(id)controller;
+@property(assign) BookmarkBarFolderController* controller;
 @end