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

chrome/browser/process_singleton_linux.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.
 
 // On Linux, when the user tries to launch a second copy of chrome, we check
 // for a socket in the user's profile directory.  If the socket file is open we
 // send a message to the first chrome browser process with the current
 // directory and second process command line flags.  The second process then
 // exits.
 //
@@ skipping 692 matching lines @@
   // Validate the message.  The shortest message is kStartToken\0x\0x
   const size_t kMinMessageLength = arraysize(kStartToken) + 4;
   if (bytes_read_ < kMinMessageLength) {
     buf_[bytes_read_] = 0;
     LOG(ERROR) << "Invalid socket message (wrong length):" << buf_;
     return;
   }
 
   std::string str(buf_, bytes_read_);
   std::vector<std::string> tokens;
-  SplitString(str, kTokenDelimiter, &tokens);
+  base::SplitString(str, kTokenDelimiter, &tokens);
 
   if (tokens.size() < 3 || tokens[0] != kStartToken) {
     LOG(ERROR) << "Wrong message format: " << str;
     return;
   }
 
   // Stop the expiration timer to prevent this SocketReader object from being
   // terminated unexpectly.
   timer_.Stop();
 
@@ skipping 265 matching lines @@
     sock));
 
   return true;
 }
 
 void ProcessSingleton::Cleanup() {
   UnlinkPath(socket_path_.value());
   UnlinkPath(cookie_path_.value());
   UnlinkPath(lock_path_.value());
 }