Add most of base/ build/ buildtools/ testing/ third_party/googletest/

Enough to make ./tools/gn/bootstrap/bootstrap.py work on Linux.

Change-Id: I94de95f1ce87dd3672d1a99c62254edee8be45bd
Reviewed-on: https://gn-review.googlesource.com/1100
Reviewed-by: Petr Hosek <phosek@google.com>
Commit-Queue: Scott Graham <scottmg@chromium.org>
diff --git a/testing/buildbot/GENERATION_OWNERS b/testing/buildbot/GENERATION_OWNERS
new file mode 100644
index 0000000..6b68cb7
--- /dev/null
+++ b/testing/buildbot/GENERATION_OWNERS
@@ -0,0 +1,11 @@
+# This is reserved for people that are comfortable with
+# generate_buildbot_json and how the waterfalls are being converted
+# over
+# 
+# TODO(crbug.com/662541) - Get rid of this file and fold it
+# back into //testing/buildbot/OWNERS once we've converted all of
+# the non-perf waterfalls to genearte_buildbot_json
+
+dpranke@chromium.org
+jbudorick@chromium.org
+kbr@chromium.org