Change dest_language to target_language in the logistic regression model for consistency with googl…

components/translate/core/browser/translate_ranker_impl_unittest.cc

 // 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.
 
 #include "components/translate/core/browser/translate_ranker_impl.h"
 
 #include <initializer_list>
 #include <memory>
 
 #include "base/feature_list.h"
@@ skipping 134 matching lines @@
   details->set_accept_ratio_weight(0.02f);
   details->set_decline_ratio_weight(0.03f);
   details->set_accept_count_weight(0.13f);
   details->set_decline_count_weight(-0.14f);
 
   auto& src_language_weight = *details->mutable_source_language_weight();
   src_language_weight["en"] = 0.04f;
   src_language_weight["fr"] = 0.05f;
   src_language_weight["zh"] = 0.06f;
 
-  auto& dest_language_weight = *details->mutable_dest_language_weight();
-  dest_language_weight["UNKNOWN"] = 0.00f;
+  auto& target_language_weight = *details->mutable_target_language_weight();
+  target_language_weight["UNKNOWN"] = 0.00f;
 
   auto& country_weight = *details->mutable_country_weight();
   country_weight["de"] = 0.07f;
   country_weight["ca"] = 0.08f;
   country_weight["cn"] = 0.09f;
 
   auto& locale_weight = *details->mutable_locale_weight();
   locale_weight["en-us"] = 0.10f;
   locale_weight["en-ca"] = 0.11f;
   locale_weight["zh-cn"] = 0.12f;  // Normalized to lowercase.
@@ skipping 202 matching lines @@
   ranker->EnableLogging(false);
 
   ranker->AddTranslateEvent(CreateTranslateEvent("fr", "en", 1, 0, 3));
   ranker->AddTranslateEvent(CreateTranslateEvent("jp", "en", 2, 0, 3));
   ranker->AddTranslateEvent(CreateTranslateEvent("es", "de", 4, 5, 6));
 
   // Logging is disabled, so no events should be cached.
   ranker->FlushTranslateEvents(&flushed_events);
   EXPECT_EQ(0U, flushed_events.size());
 }