Add presubmit warning about deprecated compiled_resources.gyp

PRESUBMIT.py

Index: PRESUBMIT.py
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index f7d2047c8c176cb685acf4a82bd7ca158ff6a13c..e68057563f761eacf9053d63cdadd5b9f5a7e20d 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1545,6 +1545,24 @@ def _CheckSingletonInHeaders(input_api, output_api):
   return []
 
 
+def _CheckNoDeprecatedCompiledResourcesGYP(input_api, output_api):
+  """Checks for old style compiled_resources.gyp files."""
+  is_compiled_resource = lambda fp: fp.endswith('compiled_resources.gyp')
+
+  added_compiled_resources = filter(is_compiled_resource, [
+    f.LocalPath() for f in input_api.AffectedFiles() if f.Action() == 'A'
+  ])
+
+  if not added_compiled_resources:
+    return []
+
+  return [output_api.PresubmitError(
+      "Found new compiled_resources.gyp files:\n%s\n\n"
+      "compiled_resources.gyp files are deprecated,\n"
+      "please use compiled_resources2.gyp instead" %
+      "\n".join(added_compiled_resources))]
+
+
 _DEPRECATED_CSS = [
   # Values
   ( "-webkit-box", "flex" ),
@@ -1676,6 +1694,7 @@ def _CommonChecks(input_api, output_api):
   results.extend(_CheckForCopyrightedCode(input_api, output_api))
   results.extend(_CheckForWindowsLineEndings(input_api, output_api))
   results.extend(_CheckSingletonInHeaders(input_api, output_api))
+  results.extend(_CheckNoDeprecatedCompiledResourcesGYP(input_api, output_api))
 
   if any('PRESUBMIT.py' == f.LocalPath() for f in input_api.AffectedFiles()):
     results.extend(input_api.canned_checks.RunUnitTestsInDirectory(