Change how ui::Clipboard is accessed so there's only one per thread.

chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 40 matching lines @@
                        ui_controls::MouseButton button,
                        int state,
                        const base::Closure& closure) {
   ui_controls::SendMouseMove(screen_pos.x(), screen_pos.y());
   ui_controls::SendMouseEventsNotifyWhenDone(button, state, closure);
 }
 
 class ViewsDelegateImpl : public views::ViewsDelegate {
  public:
   ViewsDelegateImpl() {}
-  virtual ui::Clipboard* GetClipboard() const OVERRIDE { return NULL; }
   virtual void SaveWindowPlacement(const views::Widget* window,
                                    const std::string& window_name,
                                    const gfx::Rect& bounds,
                                    ui::WindowShowState show_state) OVERRIDE {}
   virtual bool GetSavedWindowPlacement(
       const std::string& window_name,
       gfx::Rect* bounds,
       ui::WindowShowState* show_state) const OVERRIDE {
     return false;
   }
@@ skipping 1641 matching lines @@
     Done();
   }
 };
 
 #if defined(OS_WIN)
 #define MAYBE_BookmarkBarViewTest19_SiblingMenu DISABLED_SiblingMenu
 #else
 #define MAYBE_BookmarkBarViewTest19_SiblingMenu SiblingMenu
 #endif
 VIEW_TEST(BookmarkBarViewTest19, MAYBE_BookmarkBarViewTest19_SiblingMenu)