Refactor video capture to new design

ppapi/thunk/ppb_flash_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_array_output.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_flash_api.h"
 #include "ppapi/thunk/ppb_flash_functions_api.h"
+#include "ppapi/thunk/ppb_video_capture_api.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 void SetInstanceAlwaysOnTop(PP_Instance instance, PP_Bool on_top) {
   EnterInstance enter(instance);
@@ skipping 127 matching lines @@
                      PP_Var value) {
   EnterInstance enter(instance);
   if (enter.failed())
     return PP_FALSE;
   return enter.functions()->GetFlashAPI()->SetCrashData(instance, key, value);
 }
 
 int32_t EnumerateVideoCaptureDevices(PP_Instance instance,
                                      PP_Resource video_capture,
                                      PP_ArrayOutput devices) {
-  EnterInstance enter(instance);
-  if (enter.succeeded()) {
-    PPB_Flash_Functions_API* api =
-        enter.functions()->GetFlashFunctionsAPI(instance);
-    if (api) {
-      return api->EnumerateVideoCaptureDevices(instance, video_capture,
-                                               devices);
-    } else {
-      return PP_ERROR_NOINTERFACE;
-    }
-  }
-  return PP_ERROR_BADRESOURCE;
+  thunk::EnterResource<thunk::PPB_VideoCapture_API> enter(video_capture, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.object()->EnumerateDevicesSync(&devices);
 }
 
 const PPB_Flash_12_0 g_ppb_flash_12_0_thunk = {
   &SetInstanceAlwaysOnTop,
   &DrawGlyphs,
   &GetProxyForURL,
   &Navigate,
   &RunMessageLoop,
   &QuitMessageLoop,
   &GetLocalTimeZoneOffset,
@@ skipping 131 matching lines @@
 const PPB_Flash_12_5* GetPPB_Flash_12_5_Thunk() {
   return &g_ppb_flash_12_5_thunk;
 }
 
 const PPB_Flash_12_6* GetPPB_Flash_12_6_Thunk() {
   return &g_ppb_flash_12_6_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi