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

chrome/browser/extensions/webstore_startup_installer_browsertest.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.
 
 #include "base/command_line.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 201 matching lines @@
   scoped_refptr<const Extension> hosted_app = ExtensionBuilder()
       .SetManifest(DictionaryBuilder()
           .Set("name", "hosted app")
           .Set("version", "1")
           .Set("app", DictionaryBuilder()
               .Set("urls", ListBuilder().Append(kInstallUrl.spec()))
               .Set("launch", DictionaryBuilder()
                   .Set("web_url", kInstallUrl.spec())))
           .Set("manifest_version", 2))
       .Build();
-  ASSERT_TRUE(hosted_app);
+  ASSERT_TRUE(hosted_app.get());
 
   ExtensionService* extension_service =
       extensions::ExtensionSystem::Get(browser()->profile())->
           extension_service();
 
   extension_service->AddExtension(hosted_app.get());
   EXPECT_TRUE(extension_service->extensions()->Contains(hosted_app->id()));
 
   ui_test_utils::NavigateToURL(browser(), kInstallUrl);
 
@@ skipping 123 matching lines @@
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   command_line->AppendSwitchASCII(
       switches::kLimitedInstallFromWebstore, "2");
   helper.LimitedInstallFromWebstore(*command_line, browser()->profile(),
       base::MessageLoop::QuitWhenIdleClosure());
   base::MessageLoop::current()->Run();
 
   EXPECT_TRUE(saw_install());
   EXPECT_EQ(0, browser_open_count());
 }