Use recently imported MSVC warning macros

minidump/minidump_file_writer_test.cc

Index: minidump/minidump_file_writer_test.cc
diff --git a/minidump/minidump_file_writer_test.cc b/minidump/minidump_file_writer_test.cc
index fd880f6e097af6d50bfc4924207e2df9e4ea1be2..1e31a23c93e0e9bc475e50bedcf6c6136757490f 100644
--- a/minidump/minidump_file_writer_test.cc
+++ b/minidump/minidump_file_writer_test.cc
@@ -287,15 +287,9 @@ TEST(MinidumpFileWriter, InitializeFromSnapshot_Basic) {
 TEST(MinidumpFileWriter, InitializeFromSnapshot_Exception) {
   // In a 32-bit environment, this will give a “timestamp out of range” warning,
   // but the test should complete without failure.
-#if defined(OS_WIN) && defined(ARCH_CPU_X86)
-#pragma warning(push)
-#pragma warning(disable: 4309)  // Truncation of constant value.
-#endif  // OS_WIN && ARCH_CPU_X86
   const uint32_t kSnapshotTime = 0xfd469ab8;
+  MSVC_SUPPRESS_WARNING(4309);  // Truncation of constant value.

[Mark Mentovai, 2015/02/05 19:23:31]

#include "base/compiler_specific.h"

[scottmg, 2015/02/05 19:30:02]

Oops, done.

   const timeval kSnapshotTimeval = { static_cast<time_t>(kSnapshotTime), 0 };
-#if defined(OS_WIN) && defined(ARCH_CPU_X86)
-#pragma warning(pop)
-#endif  // OS_WIN && ARCH_CPU_X86
 
   TestProcessSnapshot process_snapshot;
   process_snapshot.SetSnapshotTime(kSnapshotTimeval);