[NaCl SDK] .dsc files copy public headers, add ppapi_cpp dev sources

native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc

Index: native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc
diff --git a/native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc b/native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc
index 8646c3a110630db576386d6919916eb8c90f9caa..058d79bc5c697841b500cc887e3d6e5dfea5a8e4 100644
--- a/native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc
+++ b/native_client_sdk/src/libraries/ppapi_cpp_private/library.dsc
@@ -1,6 +1,7 @@
 {
   'TOOLS': ['newlib', 'glibc', 'pnacl', 'win', 'linux'],
   'SEARCH': [
+      '../../../../ppapi/c/private',
       '../../../../ppapi/cpp/private',
   ],
   'TARGETS': [
@@ -20,6 +21,40 @@
       ],
     }
   ],
+  'HEADERS': [
+    # ppapi/c/private
+    {
+      'FILES': [
+        'ppb_ext_crx_file_system_private.h',
+        'ppb_file_io_private.h',
+        'ppb_file_ref_private.h',
+        'ppb_host_resolver_private.h',
+        'ppb_net_address_private.h',
+        'ppb_tcp_server_socket_private.h',
+        'ppb_tcp_socket_private.h',
+        'ppb_udp_socket_private.h',
+        'ppb_x509_certificate_private.h',
+        'pp_file_handle.h',
+      ],
+      'DEST': 'include/ppapi/c/private',
+    },
+
+    # ppapi/cpp/private
+    {
+      'FILES': [
+        'ext_crx_file_system_private.h',
+        'file_io_private.h',
+        'host_resolver_private.h',
+        'net_address_private.h',
+        'pass_file_handle.h',
+        'tcp_server_socket_private.h',
+        'tcp_socket_private.h',
+        'udp_socket_private.h',
+        'x509_certificate_private.h',
+      ],
+      'DEST': 'include/ppapi/cpp/private',
+    },
+  ],
   'DEST': 'src',
   'NAME': 'ppapi_cpp_private',
 }