Cleanup: Remove base::environment_vector and base::file_handle_mapping_vector to StudlyCaps.

content/browser/utility_process_host_impl.cc

Index: content/browser/utility_process_host_impl.cc
===================================================================
--- content/browser/utility_process_host_impl.cc	(revision 123165)
+++ content/browser/utility_process_host_impl.cc	(working copy)
@@ -31,7 +31,7 @@
   return new UtilityProcessHostImpl(client, client_thread_id);
 }
 
-}
+}  // namespace content
 
 UtilityProcessHostImpl::UtilityProcessHostImpl(
     UtilityProcessHostClient* client,
@@ -90,7 +90,7 @@
 
 #if defined(OS_POSIX)
 
-void UtilityProcessHostImpl::SetEnv(const base::environment_vector& env) {
+void UtilityProcessHostImpl::SetEnv(const base::EnvironmentVector& env) {
   env_ = env;
 }