Add more string_util functions to base namespace.

third_party/boringssl/boringssl_unittest.cc

 // Copyright 2014 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 <stdarg.h>
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 14 matching lines @@
       exe_dir.AppendASCII("boringssl_" + name);
   base::CommandLine cmd(test_binary);
 
   for (size_t i = 0; i < args.size(); ++i) {
     cmd.AppendArgNative(args[i]);
   }
 
   std::string output;
   EXPECT_TRUE(base::GetAppOutput(cmd, &output));
   // Account for Windows line endings.
-  ReplaceSubstringsAfterOffset(&output, 0, "\r\n", "\n");
+  base::ReplaceSubstringsAfterOffset(&output, 0, "\r\n", "\n");
 
   const bool ok = output.size() >= 5 &&
                   memcmp("PASS\n", &output[output.size() - 5], 5) == 0 &&
                   (output.size() == 5 || output[output.size() - 6] == '\n');
 
   EXPECT_TRUE(ok) << output;
 }
 
 void TestSimple(const std::string& name) {
   std::vector<base::CommandLine::StringType> empty;
@@ skipping 246 matching lines @@
   TestSimple("tab_test");
 }
 
 TEST(BoringSSL, Thread) {
   TestSimple("thread_test");
 }
 
 TEST(BoringSSL, V3NameTest) {
   TestSimple("v3name_test");
 }