Refactor language detection logic to allow non-static CLD data sources.

components/translate/content/renderer/static_renderer_cld_data_provider.h

-// Copyright 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.
-
-#ifndef COMPONENTS_TRANSLATE_CONTENT_RENDERER_STATIC_RENDERER_CLD_DATA_PROVIDER_H_
-#define COMPONENTS_TRANSLATE_CONTENT_RENDERER_STATIC_RENDERER_CLD_DATA_PROVIDER_H_
-
-#include "base/files/file.h"
-#include "base/files/memory_mapped_file.h"
-#include "base/lazy_instance.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "components/translate/content/renderer/renderer_cld_data_provider.h"
-#include "ipc/ipc_platform_file.h"
-
-namespace translate {
-
-class StaticRendererCldDataProvider : public RendererCldDataProvider {
- public:
-  explicit StaticRendererCldDataProvider();
-  ~StaticRendererCldDataProvider() override;
-  // RendererCldDataProvider implementations:
-  bool OnMessageReceived(const IPC::Message&) override;
-  void SendCldDataRequest() override;
-  void SetCldAvailableCallback(base::Callback<void(void)>) override;
-  bool IsCldDataAvailable() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(StaticRendererCldDataProvider);
-};
-
-}  // namespace translate
-
-#endif  // COMPONENTS_TRANSLATE_CONTENT_RENDERER_STATIC_RENDERER_CLD_DATA_PROVIDER_H_