Do not use vector<scoped_ptr<>>.

win8/metro_driver/print_document_source.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_
 #define CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_
 
 #include <documentsource.h>
 #include <printpreview.h>
 #include <windows.graphics.printing.h>
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/waitable_event.h"
 #include "win8/metro_driver/winrt_utils.h"
 
 // Hack to be removed once we don't need to build with an SDK earlier than
 // 8441 where the name of the interface has been changed.
 // TODO(mad): remove once we don't run mixed SDK/OS anymore.
 #ifndef __IPrintPreviewDxgiPackageTarget_FWD_DEFINED__
 typedef IPrintPreviewDXGIPackageTarget IPrintPreviewDxgiPackageTarget;
 #endif
@@ skipping 91 matching lines @@
   DirectXContext directx_context_;
 
   // Once page data is available, it's added to this vector.
   std::vector<mswr::ComPtr<IStream>> pages_;
 
   // When page count is set, the size of this vector is set to that number.
   // Then, every time page data is added to pages_, the associated condition
   // variable in this vector is signaled. This is only filled when we receive
   // the page count, so we must wait on page_count_ready_ before accessing
   // the content of this vector.
-  std::vector<scoped_ptr<base::ConditionVariable> > pages_ready_state_;
+  ScopedVector<base::ConditionVariable> pages_ready_state_;
 
   // This event is signaled when we receive a page count from Chrome. We should
   // not receive any page data before the count, so we can check this event
   // while waiting for pages too, in case we ask for page data before we got
   // the count, so before we properly initialized pages_ready_state_.
   base::WaitableEvent page_count_ready_;
 
   // The preview target interface set from within GetPreviewPageCollection
   // but used from within MakePage.
   mswr::ComPtr<IPrintPreviewDxgiPackageTarget> dxgi_preview_target_;
@@ skipping 16 matching lines @@
   // asynchronous callbacks.
   bool aborted_;
 
   // TODO(mad): remove once we don't run mixed SDK/OS anymore.
   bool using_old_preview_interface_;
 };
 
 }  // namespace metro_driver
 
 #endif  // CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_