Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 1245 matching lines @@
   EXPECT_EQ(std::string("My extension 2"), loaded_[1]->name());
   EXPECT_EQ(std::string(), loaded_[1]->description());
   EXPECT_EQ(loaded_[1]->GetResourceURL("background.html"),
             extensions::BackgroundInfo::GetBackgroundURL(loaded_[1].get()));
   EXPECT_EQ(0u,
             extensions::ContentScriptsInfo::GetContentScripts(loaded_[1].get())
                 .size());
 
   // We don't parse the plugins section on Chrome OS.
 #if defined(OS_CHROMEOS)
-  EXPECT_TRUE(!extensions::PluginInfo::HasPlugins(loaded_[1]));
+  EXPECT_TRUE(!extensions::PluginInfo::HasPlugins(loaded_[1].get()));
 #else
   ASSERT_TRUE(extensions::PluginInfo::HasPlugins(loaded_[1].get()));
   const std::vector<extensions::PluginInfo>* plugins =
       extensions::PluginInfo::GetPlugins(loaded_[1].get());
   ASSERT_TRUE(plugins);
   ASSERT_EQ(2u, plugins->size());
   EXPECT_EQ(loaded_[1]->path().AppendASCII("content_plugin.dll").value(),
             plugins->at(0).path.value());
   EXPECT_TRUE(plugins->at(0).is_public);
   EXPECT_EQ(loaded_[1]->path().AppendASCII("extension_plugin.dll").value(),
@@ skipping 4742 matching lines @@
       new MockExtensionProvider(service_, Manifest::EXTERNAL_PREF);
   AddMockExternalProvider(provider);
   provider->UpdateOrAddExtension(updates_from_webstore, "1", crx_path);
 
   service_->CheckForExternalUpdates();
   loop_.RunUntilIdle();
   EXPECT_TRUE(extensions::HasExternalInstallError(service_));
   EXPECT_FALSE(extensions::HasExternalInstallBubble(service_));
   EXPECT_FALSE(service_->IsExtensionEnabled(updates_from_webstore));
 }