Move more string_util functions to base namespace.

extensions/common/csp_validator.cc

 // Copyright 2013 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 "extensions/common/csp_validator.h"
 
 #include <vector>
 
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
@@ skipping 65 matching lines @@
 
   size_t start_of_port = url.rfind(":", end_of_host);
   // The ":" check at the end of the following condition is used to avoid
   // treating the last part of an IPv6 address as a port.
   if (start_of_port > start_of_host && url[start_of_port - 1] != ':') {
     bool is_valid_port = false;
     // Do a quick sanity check. The following check could mistakenly flag
     // ":123456" or ":****" as valid, but that does not matter because the
     // relaxing CSP directive will just be ignored by Blink.
     for (size_t i = start_of_port + 1; i < end_of_host; ++i) {
-      is_valid_port = IsAsciiDigit(url[i]) || url[i] == '*';
+      is_valid_port = base::IsAsciiDigit(url[i]) || url[i] == '*';
       if (!is_valid_port)
         break;
     }
     if (is_valid_port)
       end_of_host = start_of_port;
   }
 
   std::string host(url, start_of_host, end_of_host - start_of_host);
   // Global wildcards are not allowed.
   if (host.empty() || host.find("*") != std::string::npos)
@@ skipping 240 matching lines @@
       }
     }
   }
 
   return seen_sandbox;
 }
 
 }  // namespace csp_validator
 
 }  // namespace extensions