Delete the non-static CLD data source logic.

components/translate/content/browser/browser_cld_data_provider_factory.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.
-
-// NOT DEAD CODE!
-// This code isn't dead, even if it isn't currently being used. Please refer to:
-// https://www.chromium.org/developers/how-tos/compact-language-detector-cld-data-source-configuration
-
-#ifndef COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_FACTORY_H_
-#define COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_FACTORY_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "components/translate/content/browser/browser_cld_data_provider.h"
-
-namespace content {
-class WebContents;
-}
-
-namespace translate {
-
-// A factory for the Browser side of CLD Data Providers. The embedder should
-// set an instance as soon as feasible during startup. The browser process will
-// use this factory to create the one BrowserCldDataProvider for each render
-// view host in order to communicate with a RendererCldDataProvider in the
-// renderer process. For more information on the RendererCldDataProvider, see:
-//   ../renderer/renderer_cld_data_provider.h
-class BrowserCldDataProviderFactory {
- public:
-  BrowserCldDataProviderFactory() {}
-  virtual ~BrowserCldDataProviderFactory() {}
-
-  // Create and return a new instance of a BrowserCldDataProvider. The default
-  // implementation of this method produces a no-op BrowserCldDataProvider that
-  // is suitable only when CLD data has been statically linked.
-  // Every invocation creates a new provider; the caller is responsible for
-  // deleting the object when it is no longer needed.
-  virtual std::unique_ptr<BrowserCldDataProvider> CreateBrowserCldDataProvider(
-      content::WebContents* web_contents);
-
-  // Returns true if and only if the current instance for this process is not
-  // NULL.
-  static bool IsInitialized();
-
-  // Sets the default factory for this process, i.e. the factory to be used
-  // unless the embedder calls Set(BrowserCldDataProviderFactory*). This is the
-  // method that normal (i.e., non-test) Chromium code should use; embedders can
-  // and should use the unconditional Set(BrowserCldDataProviderFactory*) method
-  // instead. If a default factory has already been set, this method does
-  // nothing.
-  static void SetDefault(BrowserCldDataProviderFactory* instance);
-
-  // Unconditionally sets the factory for this process, overwriting any
-  // previously-configured default. Normal Chromium code should never use this
-  // method; it is provided for embedders to inject a factory from outside of
-  // the Chromium code base. Test code can also use this method to force the
-  // runtime to have a desired behavior.
-  static void Set(BrowserCldDataProviderFactory* instance);
-
-  // Returns the instance of the factory previously set by Set()/SetDefault().
-  // If no instance has been set, a default factory will be returned that
-  // produces no-op BrowserCldDataProviders as described by
-  // CreateBrowserCldDataProvider(...) above.
-  static BrowserCldDataProviderFactory* Get();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrowserCldDataProviderFactory);
-};
-
-}  // namespace translate
-
-#endif  // COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_FACTORY_H_