Add gcm_unit_tests to master.chromium.win

This is migrating https://codereview.chromium.org/187313008

BUG=341513, 338501
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/281423003

git-svn-id: http://src.chromium.org/chrome/trunk/src/testing@270658 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
Android: cleans up jni_generator_ptr_type.

The underlying rule is now "long" by default.
Mechanical change:
  git grep -l jni_generator_ptr_type | xargs sed -i /jni_generator_ptr_type/d

BUG=317523
TBR=darin@chromium.org

Review URL: https://codereview.chromium.org/288963002

git-svn-id: http://src.chromium.org/chrome/trunk/src/testing@270750 4ff67af0-8c30-449e-8e8b-ad334ec8d88c