Remove most ScopedVector usage from c/b/extensions.

chrome/browser/extensions/api/gcd_private/privet_v3_session.h

Index: chrome/browser/extensions/api/gcd_private/privet_v3_session.h
diff --git a/chrome/browser/extensions/api/gcd_private/privet_v3_session.h b/chrome/browser/extensions/api/gcd_private/privet_v3_session.h
index f653959bfda48bccfabe86d3f785fe8f6cd6c399..8a29a5f27c081b6b4d0bb3f36f75a9d14f390cae 100644
--- a/chrome/browser/extensions/api/gcd_private/privet_v3_session.h
+++ b/chrome/browser/extensions/api/gcd_private/privet_v3_session.h
@@ -13,7 +13,6 @@
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/common/extensions/api/gcd_private.h"
 #include "net/url_request/url_fetcher.h"
@@ -125,7 +124,7 @@ class PrivetV3Session {
   bool use_https_ = false;
 
   // List of fetches to cancel when session is destroyed.
-  ScopedVector<FetcherDelegate> fetchers_;
+  std::vector<std::unique_ptr<FetcherDelegate>> fetchers_;
 
   // Intercepts POST requests. Used by tests only.
   base::Callback<void(const base::DictionaryValue&)> on_post_data_;