win: Work towards getting 'minidump' to compile

minidump/crashpad_dbghelp.h

Index: minidump/crashpad_dbghelp.h
diff --git a/util/test/executable_path_win.cc b/minidump/crashpad_dbghelp.h
similarity index 62%
copy from util/test/executable_path_win.cc
copy to minidump/crashpad_dbghelp.h
index 024478d7552d5a0a3cdb03e5f686d193549b2ee3..203ff64f8324a5b5093022c5dbb295ebd6987e26 100644
--- a/util/test/executable_path_win.cc
+++ b/minidump/crashpad_dbghelp.h
@@ -12,18 +12,18 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "util/test/executable_path.h"
+#ifndef CRASHPAD_MINIDUMP_CRASHPAD_DBGHELP_H_
+#define CRASHPAD_MINIDUMP_CRASHPAD_DBGHELP_H_
 
-#include <windows.h>
+#include "build/build_config.h"
+
+// dbghelp.h requires windows.h to be included before it, so instead of
+// including dbghelp.h directly, we always include crashpad_dbghelp.h instead.
 
-namespace crashpad {
-namespace test {
+#if defined(OS_WIN)
+#include <windows.h>
+#endif  // OS_WIN
 
-base::FilePath ExecutablePath() {
-  wchar_t executable_path[_MAX_PATH];
-  GetModuleFileName(nullptr, executable_path, sizeof(executable_path));
-  return base::FilePath(executable_path);
-}
+#include <dbghelp.h>
 
-}  // namespace test
-}  // namespace crashpad
+#endif  // CRASHPAD_CRASHPAD_MINIDUMP_CRASHPAD_DBGHELP_H_