Add new MouseCursor interface for setting the mouse cursor.

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.cc

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.cc
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.cc b/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.cc
new file mode 100644
index 0000000000000000000000000000000000000000..76a21851d7b01bf720a9cb9aecc3a6bc11bb15b2
--- /dev/null
+++ b/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.cc
@@ -0,0 +1,58 @@
+// Copyright (c) 2012 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 "native_client/src/shared/ppapi_proxy/plugin_ppb_mouse_cursor.h"
+
+#include "native_client/src/include/portability.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_callback.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
+#include "native_client/src/shared/ppapi_proxy/utility.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_mouse_cursor.h"
+#include "srpcgen/ppb_rpc.h"
+
+namespace ppapi_proxy {
+
+namespace {
+
+const nacl_abi_size_t kPPPointBytes =
+    static_cast<nacl_abi_size_t>(sizeof(struct PP_Point));
+
+PP_Bool SetCursor(PP_Instance instance,
+                  enum PP_MouseCursor_Type type,
+                  PP_Resource custom_image,
+                  const struct PP_Point* hot_spot) {
+  DebugPrintf("PPB_MouseCursor::SetCursor: "
+              "instance=%"NACL_PRId32"\n", instance);
+
+  int32_t hot_spot_size = (hot_spot != NULL) ? kPPPointBytes : 0;
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbMouseCursorRpcClient::PPB_MouseCursor_SetCursor(
+          GetMainSrpcChannel(),
+          instance,
+          type,
+          custom_image,
+          hot_spot_size,
+          reinterpret_cast<char*>(const_cast<struct PP_Point*>(hot_spot)),
+          &success);
+
+  DebugPrintf("PPB_MouseCursor::SetCursor: %s\n",
+              NaClSrpcErrorString(srpc_result));
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+}  // namespace
+
+const PPB_MouseCursor_1_0* PluginMouseCursor::GetInterface() {
+  static const PPB_MouseCursor mouse_cursor_interface = {
+    SetCursor,
+  };
+  return &mouse_cursor_interface;
+}
+
+}  // namespace ppapi_proxy