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

chrome/browser/autocomplete/autocomplete_popup_view_mac.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 "chrome/browser/autocomplete/autocomplete_popup_view_mac.h"
 
 #include "app/gfx/text_elider.h"
+#include "base/nsimage_cache_mac.h"
 #include "base/sys_string_conversions.h"
 #include "base/gfx/rect.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
 #include "chrome/browser/autocomplete/autocomplete_edit_view_mac.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_model.h"
 #include "chrome/browser/bubble_positioner.h"
 #include "chrome/browser/cocoa/event_utils.h"
-#include "chrome/browser/cocoa/nsimage_cache.h"
 
 namespace {
 
 // The size delta between the font used for the edit and the result
 // rows.
 const int kEditFontAdjust = -1;
 
 // How much to adjust the cell sizing up from the default determined
 // by the font.
 const int kCellHeightAdjust = 7.0;
@@ skipping 664 matching lines @@
   DCHECK(popup_view_);
 
   // TODO(shess): UpdatePopupAppearance() is called frequently, so it
   // should be really cheap, but in this case we could probably make
   // things even cheaper by refactoring between the popup-placement
   // code and the matrix-population code.
   popup_view_->UpdatePopupAppearance();
 }
 
 @end