Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h

Index: third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
diff --git a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h b/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
index 6e2de67fa5a114b3483b216396cee93dc3fd11d4..90e727b0bc56bb572acf070bc14fee0ea53ef4d9 100644
--- a/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
+++ b/third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
@@ -115,17 +115,17 @@ inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
   *ptr = value;
 }
 
-inline void MemoryBarrierInternal() {
+inline void MemoryBarrier() {
   pLinuxKernelMemoryBarrier();
 }
 
 inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
   *ptr = value;
-  MemoryBarrierInternal();
+  MemoryBarrier();
 }
 
 inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
-  MemoryBarrierInternal();
+  MemoryBarrier();
   *ptr = value;
 }
 
@@ -135,12 +135,12 @@ inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
 
 inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
   Atomic32 value = *ptr;
-  MemoryBarrierInternal();
+  MemoryBarrier();
   return value;
 }
 
 inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
-  MemoryBarrierInternal();
+  MemoryBarrier();
   return *ptr;
 }