Move ranker_model_loader to a new component.

components/translate/core/browser/translate_ranker_impl.h

 // Copyright 2016 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_CORE_BROWSER_TRANSLATE_RANKER_IMPL_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_RANKER_IMPL_H_
 
 #include <memory>
 #include <string>
 
 #include "base/feature_list.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequence_checker.h"
 #include "base/sequenced_task_runner.h"
 #include "components/keyed_service/core/keyed_service.h"
-#include "components/translate/core/browser/ranker_model_loader.h"
+#include "components/machine_intelligence/ranker_model_loader.h"
 #include "components/translate/core/browser/translate_ranker.h"
 #include "url/gurl.h"
 
 class GURL;
 
-namespace chrome_intelligence {
+namespace machine_intelligence {
 class RankerModel;
-}  // namespace chrome_intelligence
+}  // namespace machine_intelligence
 
 namespace ukm {
 class UkmRecorder;
 }  // namespace ukm
 
 namespace metrics {
 class TranslateEventProto;
 }  // namespace metrics
 
 namespace translate {
@@ skipping 64 matching lines @@
   void RecordTranslateEvent(
       int event_type,
       const GURL& url,
       metrics::TranslateEventProto* translate_event) override;
   bool ShouldOverrideDecision(
       int event_type,
       const GURL& url,
       metrics::TranslateEventProto* translate_event) override;
 
   void OnModelAvailable(
-      std::unique_ptr<chrome_intelligence::RankerModel> model);
+      std::unique_ptr<machine_intelligence::RankerModel> model);
 
   // Get the model decision on whether we should show the translate
   // UI or not given |translate_event|.
   bool GetModelDecision(const metrics::TranslateEventProto& translate_event);
 
   // Check if the ModelLoader has been initialized. Used to test ModelLoader
   // logic.
   bool CheckModelLoaderForTesting();
 
  private:
   void SendEventToUKM(const metrics::TranslateEventProto& translate_event,
                       const GURL& url);
 
   // Caches the translate event.
   void AddTranslateEvent(const metrics::TranslateEventProto& translate_event,
                          const GURL& url);
 
   // Used to log URL-keyed metrics. This pointer will outlive |this|.
   ukm::UkmRecorder* ukm_recorder_;
 
   // Used to sanity check the threading of this ranker.
   base::SequenceChecker sequence_checker_;
 
   // A helper to load the translate ranker model from disk cache or a URL.
-  std::unique_ptr<RankerModelLoader> model_loader_;
+  std::unique_ptr<machine_intelligence::RankerModelLoader> model_loader_;
 
   // The translation ranker model.
-  std::unique_ptr<chrome_intelligence::RankerModel> model_;
+  std::unique_ptr<machine_intelligence::RankerModel> model_;
 
   // Tracks whether or not translate event logging is enabled.
   bool is_logging_enabled_ = true;
 
   // Tracks whether or not translate ranker querying is enabled.
   bool is_query_enabled_ = true;
 
   // Tracks whether or not translate ranker enforcement is enabled. Note that
   // that also enables the code paths for translate ranker querying.
   bool is_enforcement_enabled_ = true;
 
   // Tracks whether or not translate ranker decision override is enabled. This
   // will override suppression heuristics.
   bool is_decision_override_enabled_ = true;
 
   // Saved cache of translate event protos.
   std::vector<metrics::TranslateEventProto> event_cache_;
 
   base::WeakPtrFactory<TranslateRankerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateRankerImpl);
 };
 
 }  // namespace translate
 
 std::ostream& operator<<(std::ostream& stream,
                          const translate::TranslateRankerFeatures& features);
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_RANKER_IMPL_H_