Pepper gamepad support

ppapi/thunk/ppb_gamepad_thunk.cc

Index: ppapi/thunk/ppb_gamepad_thunk.cc
diff --git a/ppapi/thunk/ppb_gamepad_thunk.cc b/ppapi/thunk/ppb_gamepad_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4f27c6234f39d2ad5db9dbbf5fca35e679d3a50f
--- /dev/null
+++ b/ppapi/thunk/ppb_gamepad_thunk.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2011 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.
+
+#include "ppapi/c/dev/ppb_gamepad_dev.h"
+#include "ppapi/thunk/thunk.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+void SampleGamepads(PP_Instance instance, PP_GamepadsData_Dev* data) {
+  EnterFunction<PPB_Instance_FunctionAPI> enter(instance, true);
+  if (enter.failed())
+    return;
+  enter.functions()->SampleGamepads(instance, data);
+}
+
+const PPB_Gamepad_Dev g_ppb_gamepad_thunk = {
+  &SampleGamepads,
+};
+
+}  // namespace
+
+const PPB_Gamepad_Dev* GetPPB_Gamepad_Dev_Thunk() {
+  return &g_ppb_gamepad_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi