Correct the WPR binary directory on windows.

Bug: 847905
Change-Id: Ifd7b2e0b494cbd893b3f36590bd3ecf793f0b768
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1539111
Auto-Submit: Yiming Zhou <uwyiming@google.com>
Reviewed-by: Fabio Tirelo <ftirelo@chromium.org>
Commit-Queue: Fabio Tirelo <ftirelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644163}

chrome/browser/autofill/captured_sites_test_utils.cc

@@ -432,8 +432,8 @@ bool TestRecipeReplayer::RunWebPageReplayCmd(
 #if defined(OS_WIN)
   base::FilePath wpr_executable_binary =
       base::FilePath(FILE_PATH_LITERAL("win"))
-          .AppendASCII("x86_64")
-          .AppendASCII("wpr");
+          .AppendASCII("AMD64")
+          .AppendASCII("wpr.exe");
 #elif defined(OS_MACOSX)
   base::FilePath wpr_executable_binary =
       base::FilePath(FILE_PATH_LITERAL("mac"))