Pepper: Simplify idl_thunk implementation.

ppapi/thunk/ppb_audio_input_dev_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.
 
-// From dev/ppb_audio_input_dev.idl modified Thu Mar 28 11:12:59 2013.
+// From dev/ppb_audio_input_dev.idl modified Tue Apr 16 11:25:44 2013.
 
 #include "ppapi/c/dev/ppb_audio_input_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_audio_input_api.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 #include "ppapi/thunk/thunk.h"
@@ skipping 87 matching lines @@
   VLOG(4) << "PPB_AudioInput_Dev::StopCapture()";
   EnterResource<PPB_AudioInput_API> enter(audio_input, true);
   if (enter.failed())
     return PP_FALSE;
   return enter.object()->StopCapture();
 }
 
 void Close(PP_Resource audio_input) {
   VLOG(4) << "PPB_AudioInput_Dev::Close()";
   EnterResource<PPB_AudioInput_API> enter(audio_input, true);
-  if (enter.succeeded())
-    enter.object()->Close();
+  if (enter.failed())
+    return;
+  enter.object()->Close();
 }
 
 const PPB_AudioInput_Dev_0_2 g_ppb_audioinput_dev_thunk_0_2 = {
   &Create,
   &IsAudioInput,
   &EnumerateDevices_0_2,
   &Open,
   &GetCurrentConfig,
   &StartCapture,
   &StopCapture,
@@ skipping 17 matching lines @@
 const PPB_AudioInput_Dev_0_2* GetPPB_AudioInput_Dev_0_2_Thunk() {
   return &g_ppb_audioinput_dev_thunk_0_2;
 }
 
 const PPB_AudioInput_Dev_0_3* GetPPB_AudioInput_Dev_0_3_Thunk() {
   return &g_ppb_audioinput_dev_thunk_0_3;
 }
 
 }  // namespace thunk
 }  // namespace ppapi