[headless] Embed pak file into binary.

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("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
 group("headless") {
   deps = [
@@ skipping 28 matching lines @@
     "//net:net_resources",
     "//third_party/WebKit/public:image_resources",
     "//third_party/WebKit/public:resources",
     "//ui/resources",
     "//ui/strings",
   ]
 
   output = "$root_out_dir/headless_lib.pak"
 }
 
+action("embed_resources") {
+  # Consider zipping file here, it can reduce size up to 80%.

[Sami, 2016/05/16 10:00:20]

TODO(altimin):

[altimin, 2016/05/16 14:32:50]

Done.

+  script = "//headless/lib/embed_data.py"
+
+  inputs = [
+    "$root_out_dir/headless_lib.pak",
+  ]
+
+  outputs = [
+    "$root_gen_dir/headless/embedded_resource_pak.cc",
+    "$root_gen_dir/headless/embedded_resource_pak.h",
+  ]
+
+  args = [
+    "--data_file",
+    rebase_path("$root_out_dir/headless_lib.pak"),
+    "--gendir",
+    rebase_path("$root_gen_dir"),
+    "--header_file",
+    "headless/embedded_resource_pak.h",
+    "--source_file",
+    "headless/embedded_resource_pak.cc",
+    "--namespace",
+    "headless",
+    "--variable_name",
+    "kHeadlessResourcePak",
+  ]
+
+  deps = [
+    ":pak",
+  ]
+}
+
 grit("headless_lib_resources_grit") {
   source = "lib/resources/headless_lib_resources.grd"
   outputs = [
     "grit/headless_lib_resources.h",
     "$root_gen_dir/headless/headless_lib_resources.pak",
   ]
 }
 
 action("gen_devtools_client_api") {
   script = "//headless/lib/browser/client_api_generator.py"
@@ skipping 77 matching lines @@
   args = [
     "--protocol",
     rebase_path(inputs[0], root_build_dir),
     "--output_dir",
     rebase_path(target_gen_dir) + "/public/domains",
   ]
 }
 
 static_library("headless_lib") {
   sources = [
+    "$root_gen_dir/headless/embedded_resource_pak.cc",
+    "$root_gen_dir/headless/embedded_resource_pak.h",
     "$target_gen_dir/public/domains/accessibility.cc",
     "$target_gen_dir/public/domains/accessibility.h",
     "$target_gen_dir/public/domains/animation.cc",
     "$target_gen_dir/public/domains/animation.h",
     "$target_gen_dir/public/domains/application_cache.cc",
     "$target_gen_dir/public/domains/application_cache.h",
     "$target_gen_dir/public/domains/cache_storage.cc",
     "$target_gen_dir/public/domains/cache_storage.h",
     "$target_gen_dir/public/domains/console.cc",
     "$target_gen_dir/public/domains/console.h",
@@ skipping 67 matching lines @@
     "lib/browser/headless_web_contents_impl.cc",
     "lib/browser/headless_web_contents_impl.h",
     "lib/browser/headless_window_tree_client.cc",
     "lib/browser/headless_window_tree_client.h",
     "lib/headless_content_client.cc",
     "lib/headless_content_client.h",
     "lib/headless_content_main_delegate.cc",
     "lib/headless_content_main_delegate.h",
     "lib/renderer/headless_content_renderer_client.cc",
     "lib/renderer/headless_content_renderer_client.h",
+    "lib/util/embedded_file.h",
     "lib/utility/headless_content_utility_client.cc",
     "lib/utility/headless_content_utility_client.h",
     "public/headless_browser.cc",
     "public/headless_browser.h",
     "public/headless_devtools_client.h",
     "public/headless_devtools_host.h",
     "public/headless_devtools_target.h",
     "public/headless_export.h",
     "public/headless_web_contents.h",
     "public/internal/message_dispatcher.h",
     "public/internal/value_conversions.h",
     "public/util/error_reporter.cc",
     "public/util/error_reporter.h",
   ]
 
   deps = [
+    ":embed_resources",
     ":gen_devtools_client_api",
     ":pak",
     "//base",
     "//components/devtools_http_handler",
     "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child",
     "//content/public/common",
     "//content/public/renderer",
     "//content/public/utility",
@@ skipping 74 matching lines @@
   sources = [
     "app/headless_shell.cc",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
   ]
 
   deps = [
     "//headless:headless_lib",
   ]
 }