Refactor the render widget unittest so it can be reused to create a render vi...

chrome/renderer/mock_render_process.h

+// Copyright (c) 2008 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 CHROME_RENDERER_MOCK_RENDER_PROCESS_H_
+#define CHROME_RENDERER_MOCK_RENDER_PROCESS_H_
+
+#include <string>
+
+#include "chrome/common/child_process.h"
+
+// This class is a trivial mock of the child process singleton. It is necessary
+// so we don't trip DCHECKs in ChildProcess::ReleaseProcess() when destroying
+// a render widget instance.
+class MockProcess : public ChildProcess {
+ public:
+  explicit MockProcess(const std::wstring& channel_name) {}
+  static void GlobalInit() {
+    ChildProcessFactory<MockProcess> factory;
+    ChildProcess::GlobalInit(L"dummy", &factory);
+  }
+};
+
+#endif  // CHROME_RENDERER_MOCK_RENDER_PROCESS_H_
+