Flip trybot and waterfall bot for simplechrome amd64 to GN.

BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 70 matching lines @@
 # TODO(GYP): This target exists for compatibility with GYP for the builders.
 # For now, this builds everything. We should decide if we want to build less.
 group("chromium_builder_tests") {
   testonly = true
 
   deps = [
     ":All",
   ]
 }
 
+if (is_chromeos) {
+  group("chromiumos_preflight") {
+    testonly = true
+    deps = [
+      "//breakpad:minidump_stackwalk($host_toolchain)",
+      "//chrome",
+      "//chrome/test/chromedriver",
+
+      # TODO(crbug.com/607362)
+      # "//content/test:video_decode_accelerator_unittest",
+      # "//content/test:video_encode_accelerator_unittest",
+
+      "//media:media_unittests",
+      "//ppapi/examples/video_decode",
+      "//sandbox/linux:chrome_sandbox",
+      "//sandbox/linux:sandbox_linux_unittests",
+
+      # TODO(crbug.com/607362)
+      #"//third_party/catapult/telemetry:bitmaptools",

[hashimoto, 2016/04/28 02:26:38]

I know nothing about trybot configs, so just comparing the list of targets in
this group and its GYP equivalent in build/all.gyp.

Why doesn't this include "//third_party/mesa:osmesa"?

+
+      "//tools/perf/clear_system_cache",
+    ]
+  }
+}
+
 # The "both_gn_and_gyp" target should reflect every target that is built
 # in both the GN and GYP builds, and ideally it should match the
 # "both_gn_and_gyp" target in build/gn_migration.gypi line-for-line.
 #
 # TODO(GYP): Add build steps that check and enforce this on the bots.
 group("both_gn_and_gyp") {
   testonly = true
   deps = [
     "//base:base_unittests",
     "//chrome/installer",
@@ skipping 839 matching lines @@
   assert(target_name != "")  # Mark as used.
   sources = invoker.actual_sources
   assert(
       sources == invoker.actual_sources,
       "Do not use a platform name in your output directory (found \"$root_build_dir\"). http://crbug.com/548283")
 }
 
 assert_valid_out_dir("_unused") {
   actual_sources = [ "$root_build_dir/foo" ]
 }