Cache image data objects.

ppapi/thunk/ppb_graphics_2d_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_graphics_2d_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
@@ skipping 58 matching lines @@
   EnterGraphics2D enter(graphics_2d, true);
   if (enter.failed())
     return;
   enter.object()->ReplaceContents(image_data);
 }
 
 int32_t Flush(PP_Resource graphics_2d, PP_CompletionCallback callback) {
   EnterGraphics2D enter(graphics_2d, callback, true);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->Flush(enter.callback()));
+  return enter.SetResult(enter.object()->Flush(enter.callback(), NULL));
 }
 
 PP_Bool SetScale(PP_Resource graphics_2d, float scale) {
   EnterGraphics2D enter(graphics_2d, true);
   if (enter.failed())
     return PP_FALSE;
   return PP_FromBool(enter.object()->SetScale(scale));
 }
 
 float GetScale(PP_Resource graphics_2d) {
@@ skipping 23 matching lines @@
 const PPB_Graphics2D_1_0* GetPPB_Graphics2D_1_0_Thunk() {
   return &g_ppb_graphics_2d_thunk;
 }
 
 const PPB_Graphics2D_Dev_0_1* GetPPB_Graphics2D_Dev_0_1_Thunk() {
   return &g_ppb_graphics_2d_dev_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi