Remove the CryptoAPI implementation of SHA-1

There are no performance wins for using it, due to the overheads
of acquiring a CryptoAPI/CNG context. Remove this codepath because
it's not used nor maintained.

BUG=none

Review-Url: https://codereview.chromium.org/2052713002
Cr-Original-Commit-Position: refs/heads/master@{#398977}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: dbc5761e694dd2724ddba3d64afe6488e2a39f44
diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index fea9312..4648b54 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -270,7 +270,7 @@
       'base/run_loop.cc',
       'base/sequence_checker_impl.cc',
       'base/sequenced_task_runner.cc',
-      'base/sha1_portable.cc',
+      'base/sha1.cc',
       'base/strings/pattern.cc',
       'base/strings/string16.cc',
       'base/strings/string_number_conversions.cc',