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

extensions/renderer/messaging_utils_unittest.cc

 // Copyright 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/strings/stringprintf.h"
-#include "chrome/test/base/module_system_test.h"
+#include "extensions/renderer/module_system_test.h"
 #include "grit/extensions_renderer_resources.h"
 
 namespace extensions {
 namespace {
 
 class MessagingUtilsUnittest : public ModuleSystemTest {
  protected:
   void RegisterTestModule(const char* code) {
     env()->RegisterModule(
         "test",
         base::StringPrintf(
             "var assert = requireNative('assert');\n"
             "var AssertTrue = assert.AssertTrue;\n"
             "var AssertFalse = assert.AssertFalse;\n"
             "var messagingUtils = require('messaging_utils');\n"
             "%s",
             code));
   }
 
  private:
   virtual void SetUp() OVERRIDE {
     ModuleSystemTest::SetUp();
 
     env()->RegisterModule("messaging_utils", IDR_MESSAGING_UTILS_JS);
   }
-
 };
 
 TEST_F(MessagingUtilsUnittest, TestNothing) {
   ExpectNoAssertionsMade();
 }
 
 TEST_F(MessagingUtilsUnittest, NoArguments) {
   ModuleSystem::NativesEnabledScope natives_enabled_scope(
       env()->module_system());
   RegisterTestModule(
@@ skipping 145 matching lines @@
       "AssertTrue(args.length == 4);\n"
       "AssertTrue(args[0] === null);\n"
       "AssertTrue(args[1] == obj1);\n"
       "AssertTrue(args[2] == obj2);\n"
       "AssertTrue(args[3] === null);");
   env()->module_system()->Require("test");
 }
 
 }  // namespace
 }  // namespace extensions