Refactors parts of gin:

gin/default_runner_unittest.cc

Index: gin/default_runner_unittest.cc
diff --git a/gin/runner_unittest.cc b/gin/default_runner_unittest.cc
similarity index 88%
rename from gin/runner_unittest.cc
rename to gin/default_runner_unittest.cc
index 3723956df6a4ecdcf2a0aa611eb62f7b85828410..a7d5766f78d435dcc10d2c3e28e828f93d4bac48 100644
--- a/gin/runner_unittest.cc
+++ b/gin/default_runner_unittest.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "gin/runner.h"
+#include "gin/default_runner.h"
 
 #include "base/compiler_specific.h"
 #include "gin/converter.h"
@@ -21,9 +21,9 @@ TEST(RunnerTest, Run) {
 
   gin::IsolateHolder instance;
 
-  RunnerDelegate delegate;
+  DefaultRunnerDelegate delegate;
   Isolate* isolate = instance.isolate();
-  Runner runner(&delegate, isolate);
+  DefaultRunner runner(&delegate, isolate);
   Runner::Scope scope(&runner);
   runner.Run(source, "test_data.js");