Add remoting and PPAPI tests to GN build

chrome/browser/ui/libgtk2ui/BUILD.gn

Index: chrome/browser/ui/libgtk2ui/BUILD.gn
diff --git a/chrome/browser/ui/libgtk2ui/BUILD.gn b/chrome/browser/ui/libgtk2ui/BUILD.gn
index a8455bebd4c528ccd8676aa8e708bc0d6c6eb22e..272f8bb91496ec5f80b0efe38ff0a9d4aa85711a 100644
--- a/chrome/browser/ui/libgtk2ui/BUILD.gn
+++ b/chrome/browser/ui/libgtk2ui/BUILD.gn
@@ -5,21 +5,6 @@
 assert(is_linux, "This file should only be referenced on Linux")
 
 import("//build/config/features.gni")
-import("//build/config/linux/pkg_config.gni")
-
-pkg_config("gtk") {
-  # Gtk requires gmodule, but it does not list it as a dependency in some
-  # misconfigured systems.
-  packages = [
-    "gmodule-2.0",
-    "gtk+-2.0",
-    "gthread-2.0",
-  ]
-}
-
-pkg_config("gtkprint") {
-  packages = [ "gtk+-unix-print-2.0" ]
-}
 
 component("libgtk2ui") {
   sources = [
@@ -79,8 +64,6 @@ component("libgtk2ui") {
   defines = [ "LIBGTK2UI_IMPLEMENTATION" ]
 
   configs += [
-    ":gtk",
-    ":gtkprint",
     "//build/config/linux:gconf",
     "//printing:cups",
   ]
@@ -109,6 +92,8 @@ component("libgtk2ui") {
     "//base",
     "//base/third_party/dynamic_annotations",
     "//base:i18n",
+    "//build/config/linux/gtk",
+    "//build/config/linux/gtk:gtkprint",
     "//chrome/app/theme:theme_resources",
     "//chrome:extra_resources",
     "//chrome:resources",