Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/ppb.srpc

+# Copyright (c) 2010 The Native Client Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# RPC method used to implement PPB_GetInterface method.
+# See ppapi/c/ppb.h for interface details.
+{
+ 'name': 'PpbRpc',
+ 'rpcs': [
+          # Checks whether the browser exports a specified interface name.
+          {'name': 'PPB_GetInterface',
+           'inputs': [['interface_name', 'string'],
+                     ],
+           'outputs': [['exports_interface_name', 'int32_t'],
+                      ]
+          },
+         ]
+}