Refactor Pickle Read methods to use higher performance PickleIterator.

crypto/secure_hash_unittest.cc

Index: crypto/secure_hash_unittest.cc
diff --git a/crypto/secure_hash_unittest.cc b/crypto/secure_hash_unittest.cc
index 2adddfb98ebcabaf52c927b5b9654279e6801ae7..42b9ade3593397d6159bf5db0f4c2a2bdef456d3 100644
--- a/crypto/secure_hash_unittest.cc
+++ b/crypto/secure_hash_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -62,8 +62,8 @@ TEST(SecureHashTest, TestSerialization) {
 
   ctx1->Finish(output1, sizeof(output1));
 
-  void* data_iterator = NULL;
-  EXPECT_TRUE(ctx2->Deserialize(&data_iterator, &pickle));
+  PickleIterator data_iterator(pickle);
+  EXPECT_TRUE(ctx2->Deserialize(&data_iterator));
   ctx2->Update(input4.data(), input4.size());
   ctx2->Update(input5.data(), input5.size());