Revert of Add creation of ServiceManager to Content

content/app/mojo/mojo_browsertest.cc

-// Copyright (c) 2014 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 "content/test/content_browser_test.h"
-#include "mojo/service_manager/service_manager.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class MojoTest : public ContentBrowserTest {
- public:
-  MojoTest() {}
-
- protected:
-  bool HasCreatedInstance() {
-    return mojo::ServiceManager::TestAPI::HasCreatedInstance();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MojoTest);
-};
-
-// Placeholder test to confirm we are initializing Mojo.
-IN_PROC_BROWSER_TEST_F(MojoTest, Init) {
-  EXPECT_TRUE(HasCreatedInstance());
-}
-
-}  // namespace content