Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

BUG=554298

Review URL: https://codereview.chromium.org/1871713002

Cr-Commit-Position: refs/heads/master@{#385980}
diff --git a/chrome/browser/extensions/extension_function_test_utils.h b/chrome/browser/extensions/extension_function_test_utils.h
index f19d506f..230d739 100644
--- a/chrome/browser/extensions/extension_function_test_utils.h
+++ b/chrome/browser/extensions/extension_function_test_utils.h
@@ -23,7 +23,7 @@
 class Extension;
 }
 
-// TODO(ckehoe): Accept args as scoped_ptr<base::Value>,
+// TODO(ckehoe): Accept args as std::unique_ptr<base::Value>,
 // and migrate existing users to the new API.
 // This file is DEPRECATED. New tests should use the versions in
 // extensions/browser/api_test_utils.h.
@@ -88,7 +88,7 @@
                  Browser* browser,
                  RunFunctionFlags flags);
 bool RunFunction(UIThreadExtensionFunction* function,
-                 scoped_ptr<base::ListValue> args,
+                 std::unique_ptr<base::ListValue> args,
                  Browser* browser,
                  RunFunctionFlags flags);