Add compiler-specific "examine printf format" attributes to printfs.

net/ftp/ftp_directory_listing_buffer_unittest.cc

 // Copyright (c) 2009 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 "net/ftp/ftp_directory_listing_buffer.h"
 
 #include "base/file_util.h"
+#include "base/format_macros.h"
 #include "base/path_service.h"
 #include "base/string_tokenizer.h"
 #include "base/string_util.h"
 #include "net/base/net_errors.h"
 #include "net/ftp/ftp_directory_listing_parsers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 TEST(FtpDirectoryListingBufferTest, Parse) {
@@ skipping 11 matching lines @@
     "dir-listing-vms-4",
   };
 
   FilePath test_dir;
   PathService::Get(base::DIR_SOURCE_ROOT, &test_dir);
   test_dir = test_dir.AppendASCII("net");
   test_dir = test_dir.AppendASCII("data");
   test_dir = test_dir.AppendASCII("ftp");
 
   for (size_t i = 0; i < arraysize(test_files); i++) {
-    SCOPED_TRACE(StringPrintf("Test[%d]: %s", i, test_files[i]));
+    SCOPED_TRACE(StringPrintf("Test[%" PRIuS "]: %s", i, test_files[i]));
 
     net::FtpDirectoryListingBuffer buffer;
 
     std::string test_listing;
     EXPECT_TRUE(file_util::ReadFileToString(test_dir.AppendASCII(test_files[i]),
                                             &test_listing));
 
     EXPECT_EQ(net::OK, buffer.ConsumeData(test_listing.data(),
                                           test_listing.length()));
     EXPECT_EQ(net::OK, buffer.ProcessRemainingData());
@@ skipping 53 matching lines @@
       EXPECT_EQ(hour, time_exploded.hour);
       EXPECT_EQ(minute, time_exploded.minute);
       EXPECT_EQ(0, time_exploded.second);
       EXPECT_EQ(0, time_exploded.millisecond);
     }
     EXPECT_FALSE(buffer.EntryAvailable());
   }
 }
 
 }  // namespace