Revert of Update MB to use `gn analyze`.

testing/buildbot/manage.py

Index: testing/buildbot/manage.py
diff --git a/testing/buildbot/manage.py b/testing/buildbot/manage.py
index e230816abdb075503a720ac00c52bd159a735340..a840e18a8e053e828f28f1b9ff77abaa4674505d 100755
--- a/testing/buildbot/manage.py
+++ b/testing/buildbot/manage.py
@@ -132,14 +132,28 @@
 
 
 SKIP_GN_ISOLATE_MAP_TARGETS = {
-  'all',
-  'chromium_swarm_tests',
+  # TODO(GYP): These targets have not been ported to GN yet.
+  'android_webview_unittests',
+  'angle_deqp_gles2_tests',
+  'angle_deqp_gles3_tests',
+  'cast_media_unittests',
+  'cast_shell_browser_test',
+  'chromevox_tests',
+  'nacl_helper_nonsfi_unittests',
+
+  # TODO(kbr): teach this script about isolated_scripts tests.
+  # crbug.com/620531
+  'telemetry_gpu_integration_test',
+  'telemetry_gpu_test',
+  'telemetry_gpu_unittests',
+  'telemetry_perf_tests',
+  'telemetry_perf_unittests',
+  'telemetry_unittests',
 
   # These tests are only run on WebRTC CI.
   'audio_decoder_unittests',
   'common_audio_unittests',
   'common_video_unittests',
-  'frame_analyzer',
   'modules_tests',
   'modules_unittests',
   'peerconnection_unittests',
@@ -219,36 +233,23 @@
       continue
     if not isinstance(data, dict):
       raise Error('%s: %s is broken: %s' % (filename, builder, data))
-    if ('gtest_tests' not in data and
-        'isolated_scripts' not in data and
-        'additional_compile_targets' not in data):
+    if 'gtest_tests' not in data:
       continue
-
-    for target in data.get('additional_compile_targets', []):
-      if (target not in ninja_targets and
-          target not in SKIP_GN_ISOLATE_MAP_TARGETS):
-        raise Error('%s: %s / %s is not listed in gn_isolate_map.pyl' %
-                    (filename, builder, target))
-      elif target in ninja_targets:
-        ninja_targets_seen.add(target)
-
-    gtest_tests = data.get('gtest_tests', [])
-    if not isinstance(gtest_tests, list):
+    if not isinstance(data['gtest_tests'], list):
       raise Error(
-          '%s: %s is broken: %s' % (filename, builder, gtest_tests))
-    if not all(isinstance(g, dict) for g in gtest_tests):
+          '%s: %s is broken: %s' % (filename, builder, data['gtest_tests']))
+    if not all(isinstance(g, dict) for g in data['gtest_tests']):
       raise Error(
-          '%s: %s is broken: %s' % (filename, builder, gtest_tests))
+          '%s: %s is broken: %s' % (filename, builder, data['gtest_tests']))
 
     seen = set()
-    for d in gtest_tests:
-      test = d['test']
-      if (test not in ninja_targets and
-          test not in SKIP_GN_ISOLATE_MAP_TARGETS):
+    for d in data['gtest_tests']:
+      if (d['test'] not in ninja_targets and
+          d['test'] not in SKIP_GN_ISOLATE_MAP_TARGETS):
         raise Error('%s: %s / %s is not listed in gn_isolate_map.pyl.' %
-                    (filename, builder, test))
-      elif test in ninja_targets:
-        ninja_targets_seen.add(test)
+                    (filename, builder, d['test']))
+      elif d['test'] in ninja_targets:
+        ninja_targets_seen.add(d['test'])
 
       name = d.get('name', d['test'])
       if name in seen:
@@ -258,18 +259,8 @@
       d.setdefault('swarming', {}).setdefault(
           'can_use_on_swarming_builders', False)
 
-    if gtest_tests:
-      config[builder]['gtest_tests'] = sorted(
-          gtest_tests, key=lambda x: x['test'])
-
-    for d in data.get('isolated_scripts', []):
-      name = d['isolate_name']
-      if (name not in ninja_targets and
-          name not in SKIP_GN_ISOLATE_MAP_TARGETS):
-        raise Error('%s: %s / %s is not listed in gn_isolate_map.pyl.' %
-                    (filename, builder, name))
-      elif name in ninja_targets:
-        ninja_targets_seen.add(name)
+    config[builder]['gtest_tests'] = sorted(
+        data['gtest_tests'], key=lambda x: x['test'])
 
     # The trick here is that process_builder_remaining() is called before
     # process_builder_convert() so tests_location can be used to know how many