Move ranker_model_loader to a new component.

components/translate/core/browser/translate_ranker_impl.cc

Index: components/translate/core/browser/translate_ranker_impl.cc
diff --git a/components/translate/core/browser/translate_ranker_impl.cc b/components/translate/core/browser/translate_ranker_impl.cc
index d31d4718adabaa73fe5df4a2129f83f5a374f213..5016fef4a57d1005457f6e556299685939206757 100644
--- a/components/translate/core/browser/translate_ranker_impl.cc
+++ b/components/translate/core/browser/translate_ranker_impl.cc
@@ -19,9 +19,9 @@
 #include "base/task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/metrics/proto/translate_event.pb.h"
-#include "components/translate/core/browser/proto/ranker_model.pb.h"
-#include "components/translate/core/browser/proto/translate_ranker_model.pb.h"
-#include "components/translate/core/browser/ranker_model.h"
+#include "components/ranker/proto/ranker_model.pb.h"
+#include "components/ranker/proto/translate_ranker_model.pb.h"
+#include "components/ranker/ranker_model.h"
 #include "components/translate/core/common/translate_switches.h"
 #include "components/ukm/public/ukm_entry_builder.h"
 #include "components/ukm/public/ukm_recorder.h"
@@ -32,9 +32,10 @@ namespace translate {
 
 namespace {
 
-using chrome_intelligence::RankerModel;
-using chrome_intelligence::RankerModelProto;
-using chrome_intelligence::TranslateRankerModel;
+using ranker::RankerModel;
+using ranker::RankerModelProto;
+using ranker::TranslateRankerModel;
+using ranker::RankerModelStatus;
 
 const double kTranslationOfferDefaultThreshold = 0.5;
 
@@ -142,7 +143,7 @@ TranslateRankerImpl::TranslateRankerImpl(const base::FilePath& model_path,
       weak_ptr_factory_(this) {
   if (is_query_enabled_ || is_enforcement_enabled_ ||
       is_decision_override_enabled_) {
-    model_loader_ = base::MakeUnique<RankerModelLoader>(
+    model_loader_ = base::MakeUnique<ranker::RankerModelLoader>(
         base::Bind(&ValidateModel),
         base::Bind(&TranslateRankerImpl::OnModelAvailable,
                    weak_ptr_factory_.GetWeakPtr()),