Convert to new enter method

ppapi/thunk/ppb_graphics_3d_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/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
-#include "ppapi/thunk/common.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/ppb_graphics_3d_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 typedef EnterResource<PPB_Graphics3D_API> EnterGraphics3D;
 
 int32_t GetAttribMaxValue(PP_Resource instance,
                           int32_t attribute,
                           int32_t* value) {
   // TODO(alokp): Implement me.
   return PP_ERROR_FAILED;
 }
 
 PP_Resource Create(PP_Instance instance,
                    PP_Resource share_context,
                    const int32_t* attrib_list) {
-  EnterFunction<ResourceCreationAPI> enter(instance, true);
+  EnterResourceCreation enter(instance);
   if (enter.failed())
     return 0;
   return enter.functions()->CreateGraphics3D(
       instance, share_context, attrib_list);
 }
 
 PP_Bool IsGraphics3D(PP_Resource resource) {
   EnterGraphics3D enter(resource, false);
   return PP_FromBool(enter.succeeded());
 }
 
 int32_t GetAttribs(PP_Resource graphics_3d, int32_t* attrib_list) {
   EnterGraphics3D enter(graphics_3d, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
+    return enter.retval();
   return enter.object()->GetAttribs(attrib_list);
 }
 
 int32_t SetAttribs(PP_Resource graphics_3d, int32_t* attrib_list) {
   EnterGraphics3D enter(graphics_3d, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
+    return enter.retval();
   return enter.object()->SetAttribs(attrib_list);
 }
 
 int32_t GetError(PP_Resource graphics_3d) {
   EnterGraphics3D enter(graphics_3d, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-
+    return enter.retval();
   return enter.object()->GetError();
 }
 
 int32_t ResizeBuffers(PP_Resource graphics_3d, int32_t width, int32_t height) {
   EnterGraphics3D enter(graphics_3d, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
+    return enter.retval();
   return enter.object()->ResizeBuffers(width, height);
 }
 
 int32_t SwapBuffers(PP_Resource graphics_3d, PP_CompletionCallback callback) {
-  EnterGraphics3D enter(graphics_3d, true);
+  EnterGraphics3D enter(graphics_3d, callback, true);
   if (enter.failed())
-    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
-  int32_t result = enter.object()->SwapBuffers(callback);
-  return MayForceCallback(callback, result);
+    return enter.retval();
+  return enter.SetResult(enter.object()->SwapBuffers(callback));
 }
 
 const PPB_Graphics3D g_ppb_graphics_3d_thunk = {
   &GetAttribMaxValue,
   &Create,
   &IsGraphics3D,
   &GetAttribs,
   &SetAttribs,
   &GetError,
   &ResizeBuffers,
   &SwapBuffers
 };
 
 }  // namespace
 
 const PPB_Graphics3D_1_0* GetPPB_Graphics3D_1_0_Thunk() {
   return &g_ppb_graphics_3d_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi