Move nsimage_cache into base so that it can be accessed from outside of chrome

chrome/browser/cocoa/bookmark_bar_controller.mm

 // Copyright (c) 2009 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.
 
 #include "app/l10n_util_mac.h"
 #include "base/mac_util.h"
+#include "base/nsimage_cache_mac.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #import "chrome/browser/cocoa/bookmark_bar_bridge.h"
 #import "chrome/browser/cocoa/bookmark_bar_controller.h"
 #import "chrome/browser/cocoa/bookmark_bar_view.h"
 #import "chrome/browser/cocoa/bookmark_button_cell.h"
 #import "chrome/browser/cocoa/bookmark_editor_controller.h"
 #import "chrome/browser/cocoa/bookmark_name_folder_controller.h"
 #import "chrome/browser/cocoa/bookmark_menu_cocoa_controller.h"
 #import "chrome/browser/cocoa/event_utils.h"
 #import "chrome/browser/cocoa/menu_button.h"
 #import "chrome/browser/cocoa/view_resizer.h"
-#include "chrome/browser/cocoa/nsimage_cache.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
 #include "grit/generated_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "third_party/mozilla/include/NSPasteboard+Utils.h"
 
 // Specialization of NSButton that responds to middle-clicks. By default,
 // NSButton ignores them.
 @interface BookmarkButton : NSButton
@@ skipping 653 matching lines @@
 
 - (void)setUrlDelegate:(id<BookmarkURLOpener>)urlDelegate {
   urlDelegate_ = urlDelegate;
 }
 
 - (NSArray*)buttons {
   return buttons_.get();
 }
 
 @end