Add (not yet working) content_browsertests target.

content/test/content_browser_test.h

+// Copyright (c) 2011 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.
+
+#ifndef CONTENT_TEST_CONTENT_BROWSER_TEST_H_
+#define CONTENT_TEST_CONTENT_BROWSER_TEST_H_
+#pragma once
+
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/mock_content_browser_client.h"
+#include "content/test/browser_test_base.h"
+
+namespace content {
+class ContentBrowserClient;
+class ContentClient;
+}
+
+class ContentBrowserTest : public BrowserTestBase {
+ protected:
+  // testing::Test:
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
+
+  // BrowserTestBase:
+  virtual void RunTestOnMainThreadLoop() OVERRIDE;
+
+ private:
+  scoped_ptr<content::ContentClient> content_client_;
+  scoped_ptr<content::ContentBrowserClient> content_browser_client_;
+};
+
+#endif  // CONTENT_TEST_CONTENT_BROWSER_TEST_H_