win: Work towards getting 'minidump' to compile

util/misc/struct_pack.h

Index: util/misc/struct_pack.h
diff --git a/util/test/executable_path_win.cc b/util/misc/struct_pack.h
similarity index 54%
copy from util/test/executable_path_win.cc
copy to util/misc/struct_pack.h
index 024478d7552d5a0a3cdb03e5f686d193549b2ee3..55ecbda00efc0b82c19a493e0532a2064fffc753 100644
--- a/util/test/executable_path_win.cc
+++ b/util/misc/struct_pack.h
@@ -12,18 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "util/test/executable_path.h"
+#ifndef CRASHPAD_UTIL_MISC_STRUCT_PACK_H_
+#define CRASHPAD_UTIL_MISC_STRUCT_PACK_H_
 
-#include <windows.h>
+#include "base/compiler_specific.h"
 
-namespace crashpad {
-namespace test {
+#if defined(COMPILER_MSVC)
+#define PACK_AND_ALIGN_N(decl, N) \
+  __pragma(pack(push, 1)) __declspec(align(N)) decl __pragma(pack(pop))
+#else
+#define PACK_AND_ALIGN_N(decl, N) decl __attribute__((packed, aligned(N)))
+#endif  // COMPILER_MSVC
 
-base::FilePath ExecutablePath() {
-  wchar_t executable_path[_MAX_PATH];
-  GetModuleFileName(nullptr, executable_path, sizeof(executable_path));
-  return base::FilePath(executable_path);
-}
+#define PACK_AND_ALIGN_4(decl) PACK_AND_ALIGN_N(decl, 4)
+#define PACK_AND_ALIGN_16(decl) PACK_AND_ALIGN_N(decl, 16)
 
-}  // namespace test
-}  // namespace crashpad
+#endif  // CRASHPAD_UTIL_MISC_STRUCT_PACK_H_