Use C++11 alignment primitives

base/lazy_instance_unittest.cc

Index: base/lazy_instance_unittest.cc
diff --git a/base/lazy_instance_unittest.cc b/base/lazy_instance_unittest.cc
index 0aa46594657be33c5abba5ccc2c9232311097f5f..0f91598d3985e54668eed0e5482a75e55dbd4fde 100644
--- a/base/lazy_instance_unittest.cc
+++ b/base/lazy_instance_unittest.cc
@@ -3,11 +3,11 @@
 // found in the LICENSE file.
 
 #include <stddef.h>
+#include <type_traits>
 
 #include "base/at_exit.h"
 #include "base/atomic_sequence_num.h"
 #include "base/lazy_instance.h"
-#include "base/memory/aligned_memory.h"
 #include "base/threading/simple_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -152,7 +152,7 @@ class AlignedData {
  public:
   AlignedData() {}
   ~AlignedData() {}
-  base::AlignedMemory<alignment, alignment> data_;
+  typename std::aligned_storage<alignment, alignment>::type data_;
 };
 
 }  // anonymous namespace