win: Add implementation of ExecutablePath

util/test/executable_path_test.cc

Index: util/test/executable_path_test.cc
diff --git a/util/test/executable_path_test.cc b/util/test/executable_path_test.cc
index 4c282fac28e7613a60a341ff3f8b262d3ae7248c..54374e34c97425c5d2a6ee64db99f51db4bb33b9 100644
--- a/util/test/executable_path_test.cc
+++ b/util/test/executable_path_test.cc
@@ -15,6 +15,7 @@
 #include "util/test/executable_path.h"
 
 #include "base/files/file_path.h"
+#include "build/build_config.h"
 #include "gtest/gtest.h"
 
 namespace crashpad {
@@ -24,7 +25,11 @@ namespace {
 TEST(ExecutablePath, ExecutablePath) {
   base::FilePath executable_path = ExecutablePath();
   base::FilePath executable_name = executable_path.BaseName();
-  EXPECT_EQ(FILE_PATH_LITERAL("util_test"), executable_name.value());
+#if defined(OS_WIN)
+  EXPECT_EQ(FILE_PATH_LITERAL("util_test.exe"), executable_name.value());
+#else
+  EXPECT_EQ("util_test", executable_name.value());
+#endif  // OS_WIN
 }
 
 }  // namespace