linux: don't always print dlopen errors from LoadNativeLibrary

base/memory/scoped_native_library.cc

 // Copyright (c) 2011 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 "base/memory/scoped_native_library.h"
 
 namespace base {
 
 ScopedNativeLibrary::ScopedNativeLibrary() : library_(NULL) {
 }
 
 ScopedNativeLibrary::ScopedNativeLibrary(NativeLibrary library)
     : library_(library) {
 }
 
 ScopedNativeLibrary::ScopedNativeLibrary(const FilePath& library_path) {
-  library_ = base::LoadNativeLibrary(library_path);
+  library_ = base::LoadNativeLibrary(library_path, NULL);
 }
 
 ScopedNativeLibrary::~ScopedNativeLibrary() {
   if (library_)
     base::UnloadNativeLibrary(library_);
 }
 
 void* ScopedNativeLibrary::GetFunctionPointer(
     const char* function_name) const {
   if (!library_)
     return NULL;
   return base::GetFunctionPointerFromNativeLibrary(library_, function_name);
 }
 
 void ScopedNativeLibrary::Reset(NativeLibrary library) {
   if (library_)
     base::UnloadNativeLibrary(library_);
   library_ = library;
 }
 
 NativeLibrary ScopedNativeLibrary::Release() {
   NativeLibrary result = library_;
   library_ = NULL;
   return result;
 }
 
 }  // namespace base