Deprecate PathService::Get(..., wstring*) and use FilePath instead.

chrome/browser/zygote_host_linux.cc

 // Copyright (c) 2009 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/browser/zygote_host_linux.h"
 
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
@@ skipping 28 matching lines @@
     if (value)
       setenv(saved_envvar, value, 1 /* overwrite */);
     else
       unsetenv(saved_envvar);
 
     free(saved_envvar);
   }
 }
 
 ZygoteHost::ZygoteHost() {
-  std::wstring chrome_path;
+  FilePath chrome_path;
   CHECK(PathService::Get(base::FILE_EXE, &chrome_path));
   CommandLine cmd_line(chrome_path);
 
   cmd_line.AppendSwitchWithValue(switches::kProcessType,
                                  switches::kZygoteProcess);
 
   int fds[2];
   CHECK(socketpair(PF_UNIX, SOCK_SEQPACKET, 0, fds) == 0);
   base::file_handle_mapping_vector fds_to_map;
   fds_to_map.push_back(std::make_pair(fds[1], 3));
@@ skipping 137 matching lines @@
       !read_pickle.ReadBool(&iter, &tmp_child_exited)) {
     LOG(WARNING) << "Error parsing DidProcessCrash response from zygote.";
     return false;
   }
 
   if (child_exited)
     *child_exited = tmp_child_exited;
 
   return did_crash;
 }