Move ModuleSystemTest and the tests that use it into extensions/.

extensions/renderer/module_system_unittest.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/memory/scoped_ptr.h"
-#include "chrome/test/base/module_system_test.h"
 #include "extensions/renderer/module_system.h"
+#include "extensions/renderer/module_system_test.h"
 #include "gin/modules/module_registry.h"
 
 // TODO(cduvall/kalman): Put this file in extensions namespace.

[not at google - send to devlin, 2014/07/10 15:22:56]

and here

[Sam McNally, 2014/07/11 00:01:18]

Done.

 using extensions::ModuleSystem;
 using extensions::NativeHandler;
 using extensions::ObjectBackedNativeHandler;
 
 class CounterNatives : public ObjectBackedNativeHandler {
  public:
-  explicit CounterNatives(extensions::ChromeV8Context* context)
+  explicit CounterNatives(extensions::ScriptContext* context)
       : ObjectBackedNativeHandler(context), counter_(0) {
     RouteFunction("Get", base::Bind(&CounterNatives::Get,
         base::Unretained(this)));
     RouteFunction("Increment", base::Bind(&CounterNatives::Increment,
         base::Unretained(this)));
   }
 
   void Get(const v8::FunctionCallbackInfo<v8::Value>& args) {
     args.GetReturnValue().Set(static_cast<int32_t>(counter_));
   }
@@ skipping 452 matching lines @@
                         "  requireNative('assert').AssertTrue("
                         "      natives.requireAsync('foo') === undefined);"
                         "});");
   scoped_ptr<ModuleSystemTestEnvironment> other_env = CreateEnvironment();
   gin::ModuleRegistry::From(env()->context()->v8_context())->AddBuiltinModule(
       env()->isolate(), "natives", other_env->module_system()->NewInstance());
   other_env->ShutdownModuleSystem();
   env()->module_system()->Require("test");
   RunResolvedPromises();
 }