Remove implicit conversions from scoped_refptr to T* in chrome/browser/extensions/

This patch was generated by running the rewrite_scoped_refptr clang tool
on a Linux build.

BUG=110610

Review URL: https://codereview.chromium.org/508513002

Cr-Commit-Position: refs/heads/master@{#291844}
diff --git a/chrome/browser/extensions/active_script_controller_unittest.cc b/chrome/browser/extensions/active_script_controller_unittest.cc
index f816f6d..010ad02b 100644
--- a/chrome/browser/extensions/active_script_controller_unittest.cc
+++ b/chrome/browser/extensions/active_script_controller_unittest.cc
@@ -110,8 +110,8 @@
                    .Build();
 
   ExtensionRegistry::Get(profile())->AddEnabled(extension_);
-  PermissionsUpdater(profile()).InitializePermissions(extension_);
-  return extension_;
+  PermissionsUpdater(profile()).InitializePermissions(extension_.get());
+  return extension_.get();
 }
 
 const Extension* ActiveScriptControllerUnitTest::ReloadExtension() {