Make command buffer commands and immediate data volatile

gpu/command_buffer/common/gles2_cmd_utils.h

Index: gpu/command_buffer/common/gles2_cmd_utils.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils.h b/gpu/command_buffer/common/gles2_cmd_utils.h
index 1ec812a8bfd2f565df860ca939948e0614b40fbd..875bc35d2d54366b93ad9ef2ccb5087c38746169 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils.h
@@ -57,19 +57,19 @@ inline bool SafeAddInt32(int32_t a, int32_t b, int32_t* dst) {
 
 // Returns the address of the first byte after a struct.
 template <typename T>
-const void* AddressAfterStruct(const T& pod) {
-  return reinterpret_cast<const uint8_t*>(&pod) + sizeof(pod);
+const volatile void* AddressAfterStruct(const volatile T& pod) {
+  return reinterpret_cast<const volatile uint8_t*>(&pod) + sizeof(pod);
 }
 
 // Returns the address of the frst byte after the struct or NULL if size >
 // immediate_data_size.
 template <typename RETURN_TYPE, typename COMMAND_TYPE>
-RETURN_TYPE GetImmediateDataAs(const COMMAND_TYPE& pod,
+RETURN_TYPE GetImmediateDataAs(const volatile COMMAND_TYPE& pod,
                                uint32_t size,
                                uint32_t immediate_data_size) {
   return (size <= immediate_data_size)
              ? static_cast<RETURN_TYPE>(
-                   const_cast<void*>(AddressAfterStruct(pod)))
+                   const_cast<volatile void*>(AddressAfterStruct(pod)))
              : NULL;
 }