Pepper: Simplify idl_thunk implementation.

ppapi/thunk/ppb_url_loader_trusted_thunk.cc

Index: ppapi/thunk/ppb_url_loader_trusted_thunk.cc
diff --git a/ppapi/thunk/ppb_url_loader_trusted_thunk.cc b/ppapi/thunk/ppb_url_loader_trusted_thunk.cc
index 398c52d539d5a6a280e4cf886594429499aec130..3082f36ed6ac1fb53a9c85732fb6b1cd36184b16 100644
--- a/ppapi/thunk/ppb_url_loader_trusted_thunk.cc
+++ b/ppapi/thunk/ppb_url_loader_trusted_thunk.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// From trusted/ppb_url_loader_trusted.idl modified Wed Apr 17 09:21:10 2013.
+// From trusted/ppb_url_loader_trusted.idl modified Wed Apr 17 11:16:00 2013.
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
@@ -21,16 +21,18 @@ namespace {
 void GrantUniversalAccess(PP_Resource loader) {
   VLOG(4) << "PPB_URLLoaderTrusted::GrantUniversalAccess()";
   EnterResource<PPB_URLLoader_API> enter(loader, true);
-  if (enter.succeeded())
-    enter.object()->GrantUniversalAccess();
+  if (enter.failed())
+    return;
+  enter.object()->GrantUniversalAccess();
 }
 
 void RegisterStatusCallback(PP_Resource loader,
                             PP_URLLoaderTrusted_StatusCallback cb) {
   VLOG(4) << "PPB_URLLoaderTrusted::RegisterStatusCallback()";
   EnterResource<PPB_URLLoader_API> enter(loader, true);
-  if (enter.succeeded())
-    enter.object()->RegisterStatusCallback(cb);
+  if (enter.failed())
+    return;
+  enter.object()->RegisterStatusCallback(cb);
 }
 
 const PPB_URLLoaderTrusted_0_3 g_ppb_urlloadertrusted_thunk_0_3 = {