Add new MouseCursor interface for setting the mouse cursor.

ppapi/thunk/ppb_cursor_control_thunk.cc

 // 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 "ppapi/c/dev/ppb_cursor_control_dev.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_cursor_control_api.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+
+// This interface is only for temporary backwards compat and currently just
+// forwards to the stable interfaces that implement these features.
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Bool SetCursor(PP_Instance instance,
                   PP_CursorType_Dev type,
                   PP_Resource custom_image,
                   const PP_Point* hot_spot) {
-  EnterFunction<PPB_CursorControl_FunctionAPI> enter(instance, true);
+  EnterInstance enter(instance);
   if (enter.failed())
     return PP_FALSE;
-  return enter.functions()->SetCursor(instance, type, custom_image, hot_spot);
+  return enter.functions()->SetCursor(instance,
+      static_cast<PP_MouseCursor_Type>(type), custom_image, hot_spot);
 }
 
 PP_Bool LockCursor(PP_Instance instance) {
-  EnterFunction<PPB_CursorControl_FunctionAPI> enter(instance, true);
-  if (enter.failed())
-    return PP_FALSE;
-  return enter.functions()->LockCursor(instance);
+  return PP_FALSE;
 }
 
 PP_Bool UnlockCursor(PP_Instance instance) {
-  EnterFunction<PPB_CursorControl_FunctionAPI> enter(instance, true);
-  if (enter.failed())
-    return PP_FALSE;
-  return enter.functions()->UnlockCursor(instance);
+  return PP_FALSE;
 }
 
 PP_Bool HasCursorLock(PP_Instance instance) {
-  EnterFunction<PPB_CursorControl_FunctionAPI> enter(instance, true);
-  if (enter.failed())
-    return PP_FALSE;
-  return enter.functions()->HasCursorLock(instance);
+  return PP_FALSE;
 }
 
 PP_Bool CanLockCursor(PP_Instance instance) {
-  EnterFunction<PPB_CursorControl_FunctionAPI> enter(instance, true);
-  if (enter.failed())
-    return PP_FALSE;
-  return enter.functions()->CanLockCursor(instance);
+  return PP_FALSE;
 }
 
 const PPB_CursorControl_Dev g_ppb_cursor_control_thunk = {
   &SetCursor,
   &LockCursor,
   &UnlockCursor,
   &HasCursorLock,
   &CanLockCursor
 };
 
 }  // namespace
 
 const PPB_CursorControl_Dev_0_4* GetPPB_CursorControl_Dev_0_4_Thunk() {
   return &g_ppb_cursor_control_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi