Remove some LazyInstance use in base/

base/time/time_posix.cc

Index: base/time/time_posix.cc
diff --git a/base/time/time_posix.cc b/base/time/time_posix.cc
index 963c15b6536fa52b46b2dd903d21fa264c10ca3f..ada2058563f2e3f51b8527bf46bbb1490c31bc8a 100644
--- a/base/time/time_posix.cc
+++ b/base/time/time_posix.cc
@@ -26,7 +26,6 @@
 #endif
 
 #if !defined(OS_MACOSX)
-#include "base/lazy_instance.h"
 #include "base/synchronization/lock.h"
 #endif
 
@@ -35,8 +34,10 @@ namespace {
 #if !defined(OS_MACOSX)
 // This prevents a crash on traversing the environment global and looking up
 // the 'TZ' variable in libc. See: crbug.com/390567.
-base::LazyInstance<base::Lock>::Leaky
-    g_sys_time_to_time_struct_lock = LAZY_INSTANCE_INITIALIZER;
+base::Lock* GetSysTimeToTimeStructLock() {
+  static auto lock = new base::Lock();
+  return lock;
+}
 
 // Define a system-specific SysTime that wraps either to a time_t or
 // a time64_t depending on the host system, and associated convertion.
@@ -45,7 +46,7 @@ base::LazyInstance<base::Lock>::Leaky
 typedef time64_t SysTime;
 
 SysTime SysTimeFromTimeStruct(struct tm* timestruct, bool is_local) {
-  base::AutoLock locked(g_sys_time_to_time_struct_lock.Get());
+  base::AutoLock locked(*GetSysTimeToTimeStructLock());
   if (is_local)
     return mktime64(timestruct);
   else
@@ -53,7 +54,7 @@ SysTime SysTimeFromTimeStruct(struct tm* timestruct, bool is_local) {
 }
 
 void SysTimeToTimeStruct(SysTime t, struct tm* timestruct, bool is_local) {
-  base::AutoLock locked(g_sys_time_to_time_struct_lock.Get());
+  base::AutoLock locked(*GetSysTimeToTimeStructLock());
   if (is_local)
     localtime64_r(&t, timestruct);
   else
@@ -64,7 +65,7 @@ void SysTimeToTimeStruct(SysTime t, struct tm* timestruct, bool is_local) {
 typedef time_t SysTime;
 
 SysTime SysTimeFromTimeStruct(struct tm* timestruct, bool is_local) {
-  base::AutoLock locked(g_sys_time_to_time_struct_lock.Get());
+  base::AutoLock locked(*GetSysTimeToTimeStructLock());
   if (is_local)
     return mktime(timestruct);
   else
@@ -72,7 +73,7 @@ SysTime SysTimeFromTimeStruct(struct tm* timestruct, bool is_local) {
 }
 
 void SysTimeToTimeStruct(SysTime t, struct tm* timestruct, bool is_local) {
-  base::AutoLock locked(g_sys_time_to_time_struct_lock.Get());
+  base::AutoLock locked(*GetSysTimeToTimeStructLock());
   if (is_local)
     localtime_r(&t, timestruct);
   else