Split memory-related routines out of base/process_util.h into base/process/memory.h.

base/process_util_ios.mm

 // Copyright (c) 2012 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 <Foundation/Foundation.h>
 #include <stdio.h>
 #include <sys/resource.h>
 
 #include "base/logging.h"
 
 // This is just enough of a shim to let the support needed by test_support
 // link.  In general, process_util isn't valid on iOS.
 
 namespace base {
 
 ProcessId GetCurrentProcId() {
   return getpid();
 }
 
 ProcessHandle GetCurrentProcessHandle() {
   return GetCurrentProcId();
 }
 
-void EnableTerminationOnHeapCorruption() {
-  // On iOS, there nothing to do AFAIK.
-}
-
-void EnableTerminationOnOutOfMemory() {
-  // iOS provides this for free!
-}
-
 void RaiseProcessToHighPriority() {
   // Impossible on iOS. Do nothing.
 }
 
 size_t GetMaxFds() {
   static const rlim_t kSystemDefaultMaxFds = 256;
   rlim_t max_fds;
   struct rlimit nofile;
   if (getrlimit(RLIMIT_NOFILE, &nofile)) {
     // Error case: Take a best guess.
     max_fds = kSystemDefaultMaxFds;
   } else {
     max_fds = nofile.rlim_cur;
   }
 
   if (max_fds > INT_MAX)
     max_fds = INT_MAX;
 
   return static_cast<size_t>(max_fds);
 }
 
 }  // namespace base