Fix variable shadowing in TLS code on VS2015

base/threading/thread_local_storage.cc

Index: base/threading/thread_local_storage.cc
diff --git a/base/threading/thread_local_storage.cc b/base/threading/thread_local_storage.cc
index 4f4169fe71815f909beac197f09cecbf3185589f..54928ede272526bc4ac24bc4621facecfc9b9eee 100644
--- a/base/threading/thread_local_storage.cc
+++ b/base/threading/thread_local_storage.cc
@@ -140,8 +140,8 @@ void OnThreadExitInternal(void* value) {
     base::subtle::Atomic32 last_used_tls_key =
         base::subtle::NoBarrier_Load(&g_last_used_tls_key);
     for (int slot = last_used_tls_key; slot > 0; --slot) {
-      void* value = stack_allocated_tls_data[slot];
-      if (value == NULL)
+      void* tls_value = stack_allocated_tls_data[slot];
+      if (tls_value == NULL)
         continue;
 
       base::ThreadLocalStorage::TLSDestructorFunc destructor =
@@ -149,7 +149,7 @@ void OnThreadExitInternal(void* value) {
       if (destructor == NULL)
         continue;
       stack_allocated_tls_data[slot] = NULL;  // pre-clear the slot.
-      destructor(value);
+      destructor(tls_value);
       // Any destructor might have called a different service, which then set
       // a different slot to a non-NULL value.  Hence we need to check
       // the whole vector again.  This is a pthread standard.