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

base/process_util_ios.mm

Index: base/process_util_ios.mm
diff --git a/base/process_util_ios.mm b/base/process_util_ios.mm
index 4d95a7e00e2273b772f1cd6b85f250d3fee69db7..1e2b4892e841d281c1ec95c75f3dfb1477d14abb 100644
--- a/base/process_util_ios.mm
+++ b/base/process_util_ios.mm
@@ -23,14 +23,6 @@ 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.
 }