2 files changed, 7 insertions, 6 deletions
diff --git a/crypto/sha2.cc b/crypto/sha2.cc
index da51cc5..6f36237 100644
--- a/crypto/sha2.cc
+++ b/crypto/sha2.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.
 
@@ -10,13 +10,13 @@
 
 namespace crypto {
 
-void SHA256HashString(const std::string& str, void* output, size_t len) {
+void SHA256HashString(const base::StringPiece& str, void* output, size_t len) {
   scoped_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA256));
   ctx->Update(str.data(), str.length());
   ctx->Finish(output, len);
 }
 
-std::string SHA256HashString(const std::string& str) {
+std::string SHA256HashString(const base::StringPiece& str) {
   std::string output(kSHA256Length, 0);
   SHA256HashString(str, string_as_array(&output), output.size());
   return output;
diff --git a/crypto/sha2.h b/crypto/sha2.h
index 0ca1008..4aae6a0 100644
--- a/crypto/sha2.h
+++ b/crypto/sha2.h
@@ -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.
 
@@ -8,6 +8,7 @@
 
 #include <string>
 
+#include "base/string_piece.h"
 #include "crypto/crypto_export.h"
 
 namespace crypto {
@@ -21,12 +22,12 @@ static const size_t kSHA256Length = 32;  // Length in bytes of a SHA-256 hash.
 // Computes the SHA-256 hash of the input string 'str' and stores the first
 // 'len' bytes of the hash in the output buffer 'output'.  If 'len' > 32,
 // only 32 bytes (the full hash) are stored in the 'output' buffer.
-CRYPTO_EXPORT void SHA256HashString(const std::string& str,
+CRYPTO_EXPORT void SHA256HashString(const base::StringPiece& str,
                                     void* output, size_t len);
 
 // Convenience version of the above that returns the result in a 32-byte
 // string.
-CRYPTO_EXPORT std::string SHA256HashString(const std::string& str);
+CRYPTO_EXPORT std::string SHA256HashString(const base::StringPiece& str);
 
 }  // namespace crypto