Switch to standard integer types in base/process/.

base/process/internal_linux.cc

Index: base/process/internal_linux.cc
diff --git a/base/process/internal_linux.cc b/base/process/internal_linux.cc
index e6c2119c141174356869185773416cb6a3ae6c86..1130764fc5b5feb816693ed97d6f47c51b32666b 100644
--- a/base/process/internal_linux.cc
+++ b/base/process/internal_linux.cc
@@ -114,12 +114,12 @@ void ParseProcStat(const std::string& contents, ProcStatMap* output) {
   }
 }
 
-int64 GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats,
-                               ProcStatsFields field_num) {
+int64_t GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats,
+                                 ProcStatsFields field_num) {
   DCHECK_GE(field_num, VM_PPID);
   CHECK_LT(static_cast<size_t>(field_num), proc_stats.size());
 
-  int64 value;
+  int64_t value;
   return StringToInt64(proc_stats[field_num], &value) ? value : 0;
 }
 
@@ -132,7 +132,7 @@ size_t GetProcStatsFieldAsSizeT(const std::vector<std::string>& proc_stats,
   return StringToSizeT(proc_stats[field_num], &value) ? value : 0;
 }
 
-int64 ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num) {
+int64_t ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num) {
   std::string stats_data;
   if (!ReadProcStats(pid, &stats_data))
     return 0;