Fix DCHECK, memory leak, and refactor PasswordStore to use CancelableRequest

base/scoped_vector.h

Index: base/scoped_vector.h
diff --git a/base/scoped_vector.h b/base/scoped_vector.h
index 9d372f33009b613de3584fe12bd69cbface5b391..bb1ab57aebacfd754c44a1735c889b49440e4f91 100644
--- a/base/scoped_vector.h
+++ b/base/scoped_vector.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -62,6 +62,12 @@ class ScopedVector {
     return v.insert(position, x);
   }
 
+  // Lets the ScopedVector take ownership of elements in [first,last).
+  template<typename InputIterator>
+  void insert(iterator position, InputIterator first, InputIterator last) {
+    v.insert(position, first, last);
+  }
+
   iterator erase(iterator position) {
     delete *position;
     return v.erase(position);