Use stub impl when libcros fails to load

chrome/browser/chromeos/cros/libcros_service_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 "chrome/browser/chromeos/cros/libcros_service_library.h"
 
 #include "base/synchronization/lock.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/browser/browser_thread.h"
@@ skipping 90 matching lines @@
   // Libraries that form LibCrosService.
   scoped_ptr<NetworkProxyLibrary> network_proxy_lib_;
 
   DISALLOW_COPY_AND_ASSIGN(LibCrosServiceLibraryImpl);
 };
 
 //---------------- LibCrosServiceLibraryImpl: public ---------------------------
 
 LibCrosServiceLibraryImpl::LibCrosServiceLibraryImpl()
     : service_connection_(NULL) {
-  if (!CrosLibrary::Get()->EnsureLoaded()) {
-    LOG(ERROR) << "Cros library has not been loaded.";
-  }
 }
 
 LibCrosServiceLibraryImpl::~LibCrosServiceLibraryImpl() {
   if (service_connection_) {
     // Clear service connections in servicing libraries which held the former
     // as weak pointers.
     if (network_proxy_lib_.get())
       network_proxy_lib_->ClearServiceConnection();
 
     StopLibCrosService(service_connection_);
@@ skipping 176 matching lines @@
   // LibCrosServiceLibrary overrides.
   virtual void StartService() {}
 
   DISALLOW_COPY_AND_ASSIGN(LibCrosServiceLibraryStubImpl);
 };
 
 //--------------------------- LibCrosServiceLibrary ----------------------------
 
 // Static.
 LibCrosServiceLibrary* LibCrosServiceLibrary::GetImpl(bool stub) {
+  LibCrosServiceLibrary* impl;
   if (stub)
-    return new LibCrosServiceLibraryStubImpl();
-  return new LibCrosServiceLibraryImpl();
+    impl = new LibCrosServiceLibraryStubImpl();
+  else
+    impl = new LibCrosServiceLibraryImpl();
+  return impl;
 }
 
 }  // namespace chromeos
 
 // Allows InvokeLater without adding refcounting. This class is a Singleton and
 // won't be deleted until it's last InvokeLater is run, so are all its
 // scoped_ptred class members.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::LibCrosServiceLibraryImpl);
 DISABLE_RUNNABLE_METHOD_REFCOUNT(
     chromeos::LibCrosServiceLibraryImpl::NetworkProxyLibrary);