MD5Update function uses StringPiece instead of raw buffer.

chrome/browser/safe_browsing/prefix_set_unittest.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/prefix_set.h"
 
 #include <algorithm>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 95 matching lines @@
     long file_size = ftell(fp);
 
     using base::MD5Digest;
     size_t payload_size = static_cast<size_t>(file_size) - sizeof(MD5Digest);
     size_t digested_size = 0;
     ASSERT_NE(-1, fseek(fp, 0, SEEK_SET));
     while (digested_size < payload_size) {
       char buf[1024];
       size_t nitems = std::min(payload_size - digested_size, sizeof(buf));
       ASSERT_EQ(nitems, fread(buf, 1, nitems, fp));
-      base::MD5Update(&context, &buf, nitems);
+      base::MD5Update(&context, base::StringPiece(buf, nitems));
       digested_size += nitems;
     }
     ASSERT_EQ(digested_size, payload_size);
     ASSERT_EQ(static_cast<long>(digested_size), ftell(fp));
 
     base::MD5Digest new_digest;
     base::MD5Final(&new_digest, &context);
     ASSERT_NE(-1, fseek(fp, digested_size, SEEK_SET));
     ASSERT_EQ(1U, fwrite(&new_digest, sizeof(new_digest), 1, fp));
     ASSERT_EQ(file_size, ftell(fp));
@@ skipping 321 matching lines @@
     if (delta > 0xFFFF) {
       EXPECT_FALSE(prefix_set.IsDeltaAt(i));
     } else {
       ASSERT_TRUE(prefix_set.IsDeltaAt(i));
       EXPECT_EQ(delta, prefix_set.DeltaAt(i));
     }
   }
 }
 
 }  // namespace