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

chrome/common/extensions/manifest_handlers/content_scripts_manifest_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 "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handlers/content_scripts_handler.h"
@@ skipping 31 matching lines @@
 
   LoadAndExpectSuccess("ports_in_content_scripts.json");
 }
 
 TEST_F(ContentScriptsManifestTest, OnChromeUrlsWithFlag) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kExtensionsOnChromeURLs);
   scoped_refptr<Extension> extension =
     LoadAndExpectSuccess("content_script_chrome_url_invalid.json");
   const GURL newtab_url("chrome://newtab/");
-  EXPECT_TRUE(ContentScriptsInfo::ExtensionHasScriptAtURL(extension,
-                                                          newtab_url));
+  EXPECT_TRUE(
+      ContentScriptsInfo::ExtensionHasScriptAtURL(extension.get(), newtab_url));
 }
 
 TEST_F(ContentScriptsManifestTest, ScriptableHosts) {
   // TODO(yoz): Test GetScriptableHosts.
   scoped_refptr<Extension> extension =
       LoadAndExpectSuccess("content_script_yahoo.json");
   URLPatternSet scriptable_hosts =
-      ContentScriptsInfo::GetScriptableHosts(extension);
+      ContentScriptsInfo::GetScriptableHosts(extension.get());
 
   URLPatternSet expected;
   expected.AddPattern(
       URLPattern(URLPattern::SCHEME_HTTP, "http://yahoo.com/*"));
 
   EXPECT_EQ(expected, scriptable_hosts);
 }
 
 }  // namespace extensions