Add content/child to the GN build.

content/child/BUILD.gn

+# Copyright 2014 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/crypto.gni")
+import("//build/config/features.gni")
+import("//build/config/ui.gni")
+import("//content/child/child.gni")
+
+source_set("child") {
+  # Only targets in the content tree can depend directly on this target.
+  visibility = [ "//content/*" ]
+
+  sources = rebase_path(content_child_gypi_values.private_child_sources,
+                        ".", "//content")
+
+  deps = [
+    "//base",
+    "//components/tracing",
+    "//mojo/public/interfaces/service_provider",
+    "//skia",
+    "//third_party/icu",
+    "//ui/base",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+    "//url",
+    #'../mojo/mojo.gyp:mojo_environment_chromium',  # TODO(GYP)
+  ]
+
+  if (!use_default_render_theme) {
+    sources -= [
+      "webthemeengine_impl_default.cc",
+      "webthemeengine_impl_default.h",
+    ]
+  }
+
+  if (is_android) {
+    deps += [
+      "//third_party/android_tools:cpu_features",
+    ]
+  }
+
+  if (!enable_plugins) {
+    sources -= [
+      "browser_font_resource_trusted.cc",
+      "npapi/plugin_host.cc",

[scottmg, 2014/06/02 16:12:16]

this is one where the pattern actually seems useful

+      "npapi/plugin_host.h",
+      "npapi/plugin_instance.cc",
+      "npapi/plugin_instance.h",
+      "npapi/plugin_instance_mac.mm",
+      "npapi/plugin_lib.cc",
+      "npapi/plugin_lib.h",
+      "npapi/plugin_stream.cc",
+      "npapi/plugin_stream.h",
+      "npapi/plugin_stream_posix.cc",
+      "npapi/plugin_stream_url.cc",
+      "npapi/plugin_stream_url.h",
+      "npapi/plugin_stream_win.cc",
+      "npapi/plugin_string_stream.cc",
+      "npapi/plugin_string_stream.h",
+      "npapi/plugin_url_fetcher.cc",
+      "npapi/plugin_url_fetcher.h",
+      "npapi/plugin_web_event_converter_mac.h",
+      "npapi/plugin_web_event_converter_mac.mm",
+      "npapi/webplugin.h",
+      "npapi/webplugin_accelerated_surface_mac.h",
+      "npapi/webplugin_delegate.h",
+      "npapi/webplugin_delegate_impl.cc",
+      "npapi/webplugin_delegate_impl.h",
+      "npapi/webplugin_delegate_impl_android.cc",
+      "npapi/webplugin_delegate_impl_aura.cc",
+      "npapi/webplugin_delegate_impl_mac.mm",
+      "npapi/webplugin_delegate_impl_win.cc",
+      "npapi/webplugin_ime_win.cc",
+      "npapi/webplugin_ime_win.h",
+      "npapi/webplugin_resource_client.h",
+    ]
+  }
+
+  configs += [
+    "//content:content_implementation",
+  ]
+
+  if (is_ios) {
+    # iOS only needs a small portion of content; exclude all the
+    # implementation, and re-include what is used.
+    sources = []
+  } else {
+    deps += [
+      "//crypto:platform",
+      #"//third_party/WebKit/public:blink",  # TODO(GYP)
+      "//third_party/npapi",
+      "//webkit:resources",
+      "//webkit:strings",
+      "//webkit/child",
+      "//webkit/common",
+    ]
+  }
+
+  if (use_aura && is_mac) {
+    # This file is already excluded on non-Mac.
+    sources -= [ "npapi/webplugin_delegate_impl_mac.mm" ]
+  }
+
+  if (is_win) {
+    sources -= [ "npapi/webplugin_delegate_impl_aura.cc" ]
+  }
+
+  if (!use_openssl) {
+    sources -= [ "webcrypto/platform_crypto_openssl.cc" ]
+  }

[scottmg, 2014/06/02 16:12:16]

seems like some stuff missing here

[brettw, 2014/06/02 16:50:32]

There is a bunch of OpenSSL/NSS crap that I believe should be covered by the
dependency on //crypto:platform (this is one area where the GN build is
significantly refactored).

+}