Add GN build targets for the rest of mojo/public

mojo/public/c/system/BUILD.gn

Index: mojo/public/c/system/BUILD.gn
diff --git a/mojo/public/c/system/BUILD.gn b/mojo/public/c/system/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..86f4628cdb140a6078dc064efa10dd1e6bbdd7d3
--- /dev/null
+++ b/mojo/public/c/system/BUILD.gn
@@ -0,0 +1,23 @@
+# 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.
+
+source_set("system") {
+  sources = [
+    "buffer.h",
+    "core.h",
+    "data_pipe.h",
+    "functions.h",
+    "macros.h",
+    "message_pipe.h",
+    "system_export.h",
+    "types.h",
+    "../../platform/native/system_thunks.cc",
+    "../../platform/native/system_thunks.h",
+  ]
+  defines = [ "MOJO_SYSTEM_IMPLEMENTATION" ]
+
+  if (is_android) {
+    all_dependent_configs -= [ ":no_export_static_lib_symbols" ]

[yzshen1, 2014/07/14 21:19:39]

I think this should have the path to the config?

[Chris Masone, 2014/07/14 21:24:54]

Good catch. I think there may also be something else wrong, though.

+  }
+}