add customized printing setting for headless

headless/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/chrome_build.gni")
 import("//headless/headless.gni")
 import("//build/util/process_version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
@@ skipping 11 matching lines @@
 group("headless") {
   deps = [
     "//headless:headless_lib",
   ]
 }
 
 repack("pak") {
   sources = [
     "$root_gen_dir/blink/public/resources/blink_image_resources_100_percent.pak",
     "$root_gen_dir/blink/public/resources/blink_resources.pak",
+    "$root_gen_dir/components/components_resources.pak",
     "$root_gen_dir/components/strings/components_strings_en-US.pak",
     "$root_gen_dir/content/app/resources/content_resources_100_percent.pak",
     "$root_gen_dir/content/app/strings/content_strings_en-US.pak",
     "$root_gen_dir/content/browser/devtools/devtools_resources.pak",
     "$root_gen_dir/content/browser/tracing/tracing_resources.pak",
     "$root_gen_dir/content/content_resources.pak",
     "$root_gen_dir/headless/headless_lib_resources.pak",
     "$root_gen_dir/net/net_resources.pak",
     "$root_gen_dir/ui/resources/ui_resources_100_percent.pak",
     "$root_gen_dir/ui/resources/webui_resources.pak",
     "$root_gen_dir/ui/strings/app_locale_settings_en-US.pak",
     "$root_gen_dir/ui/strings/ui_strings_en-US.pak",
   ]
 
   if (is_chrome_branded) {
     sources += [ "${root_gen_dir}/components/strings/components_google_chrome_strings_en-US.pak" ]
   } else {
     sources += [ "${root_gen_dir}/components/strings/components_chromium_strings_en-US.pak" ]
   }
 
   deps = [
     ":resources",
+    "//components/resources:components_resources",
     "//components/strings",
     "//content:resources",
     "//content/app/resources",
     "//content/app/strings",
     "//content/browser/devtools:resources",
     "//content/browser/tracing:resources",
     "//net:net_resources",
     "//third_party/WebKit/public:image_resources",
     "//third_party/WebKit/public:resources",
     "//ui/resources",
@@ skipping 323 matching lines @@
   sources = [
     "public/domains/types_unittest.cc",
     "public/util/deterministic_dispatcher_test.cc",
     "public/util/error_reporter_unittest.cc",
     "public/util/expedited_dispatcher_test.cc",
     "public/util/generic_url_request_job_test.cc",
     "public/util/testing/fake_managed_dispatch_url_request_job.cc",
     "public/util/testing/fake_managed_dispatch_url_request_job.h",
   ]
 
+  if (enable_basic_printing) {
+    sources += [ "lib/browser/headless_printing_unittest.cc" ]
+  }
+
   deps = [
     ":headless_lib",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
+
+  if (enable_basic_printing) {
+    deps += [ "//content/public/common" ]

[Lei Zhang, 2017/05/04 07:29:37]

Not obvious why headless_printing_unittest.cc needs this. Can you explain, or
remove if it is not needed?

[jzfeng, 2017/05/05 02:41:33]

There will compile error if it is removed.

In file included from
../../headless/lib/browser/headless_printing_unittest.cc:7:
In file included from
../../headless/lib/browser/headless_devtools_manager_delegate.h:19:
In file included from ../../headless/lib/browser/headless_print_manager.h:12:
In file included from ../../components/printing/browser/print_manager.h:10:
In file included from ../../content/public/browser/web_contents_observer.h:22:
In file included from ../../third_party/skia/include/core/SkColor.h:11:
In file included from ../../third_party/skia/include/core/SkScalar.h:11:
../../third_party/skia/include/core/../private/SkFloatingPoint.h:13:10: fatal
error: 'SkTypes.h' file not found
#include "SkTypes.h"
         ^~~~~~~~~~~
1 error generated.

[Lei Zhang, 2017/05/05 03:53:00]

I'm skeptical about this as the correct solution, but I don't have better advice
at the moment. Let me look at the dependencies.

+  }
 }
 
 mojom("embedder_mojo_for_testing") {
   sources = [
     "lib/embedder_test.mojom",
   ]
 }
 
 grit("headless_browsertest_resources_grit") {
   source = "lib/headless_browsertest_resources.grd"
@@ skipping 75 matching lines @@
 
   deps = [
     ":embedder_mojo_for_testing",
     ":headless_browser_tests_pak",
     "//base",
     "//content/test:test_support",
     "//headless:headless_lib",
     "//testing/gmock",
     "//testing/gtest",
   ]
+
+  if (enable_basic_printing) {
+    deps += [ "//pdf" ]
+  }
 }
 
 static_library("headless_shell_lib") {
   sources = [
     "app/headless_shell.cc",
     "app/headless_shell.h",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
     "app/shell_navigation_request.cc",
     "app/shell_navigation_request.h",
@@ skipping 38 matching lines @@
 
 executable("headless_example") {
   sources = [
     "app/headless_example.cc",
   ]
 
   deps = [
     "//headless:headless_shell_lib",
   ]
 }