base: Move SplitString functions into the base namespace and update the callers.

chrome/common/extensions/url_pattern.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 "chrome/common/extensions/url_pattern.h"
 
 #include "base/string_piece.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "chrome/common/url_constants.h"
@@ skipping 94 matching lines @@
     path_start_pos = host_start_pos;
   } else {
     size_t host_end_pos = pattern.find(kPathSeparator, host_start_pos);
     if (host_end_pos == std::string::npos)
       return false;
 
     host_ = pattern.substr(host_start_pos, host_end_pos - host_start_pos);
 
     // The first component can optionally be '*' to match all subdomains.
     std::vector<std::string> host_components;
-    SplitString(host_, '.', &host_components);
+    base::SplitString(host_, '.', &host_components);
     if (host_components[0] == "*") {
       match_subdomains_ = true;
       host_components.erase(host_components.begin(),
                             host_components.begin() + 1);
     }
     host_ = JoinString(host_components, '.');
 
     // No other '*' can occur in the host, though. This isn't necessary, but is
     // done as a convenience to developers who might otherwise be confused and
     // think '*' works as a glob in the host.
@@ skipping 165 matching lines @@
     if (MatchesScheme(kValidSchemes[i])) {
       URLPattern temp = *this;
       temp.SetScheme(kValidSchemes[i]);
       temp.set_match_all_urls(false);
       result.push_back(temp);
     }
   }
 
   return result;
 }