More Mac & Linux fixes for base namespaces.

base/process_util_mac.mm

 // Copyright (c) 2008 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 "base/process_util.h"
 
 #import <Cocoa/Cocoa.h>
 #include <spawn.h>
 #include <string>
 #include <sys/types.h>
 #include <sys/wait.h>
 
-namespace process_util {
+namespace base {
 
 bool LaunchApp(const std::vector<std::string>& argv,
                bool wait, ProcessHandle* process_handle) {
   bool retval = true;
   
   char* argv_copy[argv.size() + 1];
   for (size_t i = 0; i < argv.size(); i++) {
     argv_copy[i] = const_cast<char*>(argv[i].c_str());
   }
   argv_copy[argv.size()] = NULL;
@@ skipping 31 matching lines @@
   int status;
   waitpid(handle, &status, 0);
   return WIFEXITED(status);
 }
 
 bool ProcessMetrics::GetIOCounters(IoCounters* io_counters) {
   // TODO(pinkerton): can we implement this? On linux it relies on /proc.
   return false;
 }
 
-}  // namespace process_util
+}  // namespace base