Add is_chromecast to GN build.

content/shell/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/features.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
 import("//tools/grit/repack.gni")
 import("//tools/grit/grit_rule.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 declare_args() {
   content_shell_product_name = "Content Shell"
 
   # The "19" is so that sites that sniff for version think that this is
   # something reasonably current; the "77.34.5" is a hint that this isn't a
   # standard Chrome.
   content_shell_version = "19.77.34.5"
+
+  use_custom_freetype = is_linux && !is_chromecast

[Dirk Pranke, 2015/09/16 22:19:04]

Does this really need to be in declare_args() ? If a user is never going to
change this variable, you can pull this out of this block.

[slan, 2015/09/17 15:04:07]

Removed.

 }
 
 static_library("content_shell_lib") {
   testonly = true
   sources = [
     "android/shell_jni_registrar.cc",
     "android/shell_jni_registrar.h",
     "android/shell_manager.cc",
     "android/shell_manager.h",
     "app/blink_test_platform_support.h",
@@ skipping 275 matching lines @@
     #deps -= [ 'copy_test_netscape_plugin' ]  TODO(GYP)
   }
 
   if (is_chromeos) {
     deps += [
       "//chromeos",
       "//ui/wm:test_support",
     ]
   }
 
-  if (is_linux) {
+  if (use_custom_freetype) {
     deps += [ "//third_party/freetype2" ]
   }
 
   if (!enable_plugins) {
     sources -= [
       "browser/shell_plugin_service_filter.cc",
       "browser/shell_plugin_service_filter.h",
     ]
   }
 }
@@ skipping 130 matching lines @@
     deps = [
       "//base",
       "//build/config/sanitizers:deps",
       "//components/crash/tools:crash_service",
     ]
 
     configs -= [ "//build/config/win:console" ]
     configs += [ "//build/config/win:windowed" ]
   }
 }