Do not use vector<scoped_ptr<>>.

win8/metro_driver/print_document_source.h

Index: win8/metro_driver/print_document_source.h
diff --git a/win8/metro_driver/print_document_source.h b/win8/metro_driver/print_document_source.h
index fed333e3706727e17dd5a51e5b85c24879fcf3be..fbd3c1794d1161fb189904c3767abb08626d196d 100644
--- a/win8/metro_driver/print_document_source.h
+++ b/win8/metro_driver/print_document_source.h
@@ -13,7 +13,7 @@
 
 #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"
@@ -125,7 +125,7 @@ class PrintDocumentSource
   // 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