Add presubmit warning about deprecated compiled_resources.gyp

Just use v2 instead ;) (compiled_resources2.gyp)

[email protected],[email protected]
BUG=585553

Review URL: https://codereview.chromium.org/1686663002

Cr-Commit-Position: refs/heads/master@{#374762}
diff --git a/PRESUBMIT_test_mocks.py b/PRESUBMIT_test_mocks.py
index 8e15d8c..f68c134 100644
--- a/PRESUBMIT_test_mocks.py
+++ b/PRESUBMIT_test_mocks.py
@@ -97,6 +97,9 @@
     self._new_contents = new_contents
     self._changed_contents = [(i + 1, l) for i, l in enumerate(new_contents)]
 
+  def Action(self):
+    return 'A'  # TODO(dbeam): feel free to change if your test actually uses.
+
   def ChangedContents(self):
     return self._changed_contents