net: Append base:: in the StringPrintf calls.

net/tools/dump_cache/url_to_filename_encoder_unittest.cc

 // Copyright (c) 2010 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/tools/dump_cache/url_to_filename_encoder.h"
 
 #include <string>
 #include <vector>
+
 #include "base/string_piece.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::StringPiece;
 using std::string;
 
 namespace net {
 
 #ifdef WIN32
 char kDirSeparator = '\\';
 char kOtherDirSeparator = '/';
@@ skipping 183 matching lines @@
 
       "blogutils.net" + dir_sep_ + "olct" + dir_sep_ + "online.php" + escape_ +
       "3Fsite=http" + escape_ + "3A" + dir_sep_ + escape_ +
       "2Fthelwordfanfics.blogspot." + escape_ + "26interval=600" + escape_);
 }
 
 // From bug: Escapes treated the same as normal char.
 TEST_F(UrlToFilenameEncoderTest, UnescapeUrlsBeforeEncode) {
   for (int i = 0; i < 128; ++i) {
     string unescaped(1, static_cast<char>(i));
-    string escaped = StringPrintf("%%%02X", i);
+    string escaped = base::StringPrintf("%%%02X", i);
     ValidateEncodeSame(unescaped, escaped);
   }
 
   ValidateEncodeSame(
       "http://www.blogger.com/navbar.g?bName=God!&Mode=FOO&searchRoot"
       "=http%3A%2F%2Fsurvivorscanthrive.blogspot.com%2Fsearch",
 
       "http://www.blogger.com/navbar.g?bName=God%21&Mode=FOO&searchRoot"
       "=http%3A%2F%2Fsurvivorscanthrive.blogspot.com%2Fsearch");
 }
@@ skipping 105 matching lines @@
   EXPECT_EQ(long_word.size() + 4, escaped_word.size());
   ASSERT_LT(UrlToFilenameEncoder::kMaximumSubdirectoryLength,
             escaped_word.size());
   // Check that the backslash got inserted at the correct spot.
   EXPECT_EQ('\\', escaped_word[
       UrlToFilenameEncoder::kMaximumSubdirectoryLength]);
 }
 
 }  // namespace net