Delete the non-static CLD data source logic.

components/translate/content/common/cld_data_source.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_COMMON_CLD_DATA_SOURCE_H_
-#define COMPONENTS_TRANSLATE_CONTENT_COMMON_CLD_DATA_SOURCE_H_
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/synchronization/lock.h"
-
-namespace component_updater {
-  // For friend-class declaration, see private section at bottom of class.
-  class CldComponentInstallerTest;
-}
-
-namespace translate {
-
-// Provides high-level functionality related to a CLD Data Source.
-class CldDataSource {
-
- public:
-  // Generally not used by Chromium code, but available for embedders to
-  // configure additional data sources as subclasses.
-  // Chromium code should use the getters (GetStaticDataSource(),
-  // GetStandaloneDataSource(), and GetComponentDataSource()) and checkers
-  // (IsUsingStaticDataSource(), IsUsingStandaloneDataSource() and
-  // IsUsingComponentDataSource()) instead as appropriate.
-  CldDataSource();
-  virtual ~CldDataSource() {}
-
-  // Returns the symbolic name of the data source. In the Chromium
-  // open-source tree, the following data sources exist:
-  // static       uses the static_[browser|renderer]_cld_data_provider
-  //              implementations.
-  // standalone   uses the data_file_[browser|renderer]_cld_data_provider
-  //              implementations.
-  // component    also uses the data_file_[browser|renderer]_cld_data_provider
-  //              implementations.
-  //
-  // Other implementations based upon Chromium may provide CLD differently and
-  // may have other names.
-  // This method is threadsafe.
-  virtual std::string GetName();
-
-  // For data sources that support a separate CLD data file, configures the path
-  // of that data file.
-  //
-  // The 'component' and 'standalone' data sources need this method to be called
-  // in order to locate the CLD data on disk.
-  // If the data source doesn't need or doesn't support such configuration, this
-  // function is a no-op. This is the case for, e.g., the static data source.
-  // This method is threadsafe.
-  virtual void SetCldDataFilePath(const base::FilePath& path);
-
-  // Returns the path most recently set by SetCldDataFilePath. The initial value
-  // prior to any such call is the empty path. If the data source doesn't
-  // support a data file, returns the empty path.
-  // This method is threadsafe.
-  virtual base::FilePath GetCldDataFilePath();
-
-  // Sets the default data source for this process, i.e. the data source to be
-  // used unless the embedder calls Set(CldDatasource*). This is the method
-  // that normal (i.e., non-test) Chromium code should use; embedders can and
-  // should use the unconditional Set(CldDataSource*) method instead. If a
-  // default data source has already been set, this method does nothing.
-  static void SetDefault(CldDataSource* data_source);
-
-  // Unconditionally sets the data source for this process, overwriting any
-  // previously-configured default. Normal Chromium code should never use this
-  // method; it is provided for embedders to inject a data source 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(CldDataSource* data_source);
-
-  // Returns the data source for this process. Guaranteed to never be null.
-  // If no instance has been set, this returns the same object obtained by
-  // calling GetStaticDataSource(), which is always safe but may fail to
-  // function if the CLD data is not *actually* statically linked.
-  static CldDataSource* Get();
-
-  // Fetch the global instance of the "static" data source.
-  // Only use to call SetDefault(CldDataSource*) or Set(CldDataSource*).
-  static CldDataSource* GetStaticDataSource();
-
-  // Returns true if and only if the data source returned by Get() is the
-  // "static" data source.
-  static bool IsUsingStaticDataSource();
-
-  // Fetch the global instance of the "standalone" data source.
-  // Only use to call SetDefault(CldDataSource*) or Set(CldDataSource*).
-  static CldDataSource* GetStandaloneDataSource();
-
-  // Returns true if and only if the data source returned by Get() is the
-  // "static" data source.
-  static bool IsUsingStandaloneDataSource();
-
-  // Fetch the global instance of the "component" data source.
-  // Only use to call SetDefault(CldDataSource*) or Set(CldDataSource*).
-  static CldDataSource* GetComponentDataSource();
-
-  // Returns true if and only if the data source returned by Get() is the
-  // "static" data source.
-  static bool IsUsingComponentDataSource();
-
- private:
-  friend class component_updater::CldComponentInstallerTest;
-
-  // For unit test code ONLY. Under normal circumstances the calls to
-  // SetCldDataFilePath() and GetCldDataFilePath() have a DHECK intended to
-  // perform a sanity check on the runtime CLD data source configuration; no
-  // production code should be calling SetCldDataFilePath() or
-  // GetCldDataFilePath() unless the "component" or "standalone" data source is
-  // being used. Unit tests will generally be built with the "static" data
-  // source, and this method allows tests to bypass the DCHECK for testing
-  // purposes.
-  //
-  // Unit tests that use this function should use it in SetUp(), and then call
-  // EnableSanityChecksForTest() in TearDown() for maximum safety.
-  static void DisableSanityChecksForTest();
-
-  // This method [re-]enables the sanity check disabled by
-  // DisableSanityChecksForTest().
-  static void EnableSanityChecksForTest();
-
-  base::FilePath m_cached_filepath;  // Guarded by m_file_lock
-  base::Lock m_file_lock;  // Guards m_cached_filepath
-
-  DISALLOW_COPY_AND_ASSIGN(CldDataSource);
-};
-
-}  // namespace translate
-#endif  // COMPONENTS_TRANSLATE_CONTENT_COMMON_CLD_DATA_SOURCE_H_