[translate] Add translate ranker model loader.

components/translate/core/browser/translate_ui_delegate_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_ui_delegate.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "components/infobars/core/infobar.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "components/translate/core/browser/mock_translate_driver.h"
+#include "components/translate/core/browser/mock_translate_ranker.h"
 #include "components/translate/core/browser/translate_client.h"
 #include "components/translate/core/browser/translate_infobar_delegate.h"
 #include "components/translate/core/browser/translate_manager.h"
 #include "components/translate/core/browser/translate_prefs.h"
 #include "components/variations/variations_associated_data.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using testing::Return;
 using testing::Test;
 using translate::testing::MockTranslateDriver;
+using translate::testing::MockTranslateRanker;
 
 namespace translate {
 
 #if defined(OS_CHROMEOS)
 const char* preferred_languages_prefs = "settings.language.preferred_languages";
 #else
 const char* preferred_languages_prefs = NULL;
 #endif
 
 class MockTranslateClient : public TranslateClient {
@@ skipping 39 matching lines @@
 
   void SetUp() override {
     pref_service_.reset(new sync_preferences::TestingPrefServiceSyncable());
     pref_service_->registry()->RegisterStringPref(
         "settings.language.preferred_languages", std::string());
     pref_service_->registry()->RegisterStringPref("intl.accept_languages",
                                                   std::string());
     TranslatePrefs::RegisterProfilePrefs(pref_service_->registry());
 
     client_.reset(new MockTranslateClient(&driver_, pref_service_.get()));
-
-    manager_.reset(new TranslateManager(client_.get(), "hi"));
+    ranker_.reset(new MockTranslateRanker());
+    manager_.reset(new TranslateManager(client_.get(), ranker_.get(), "hi"));
     manager_->GetLanguageState().set_translation_declined(false);
 
     delegate_.reset(
         new TranslateUIDelegate(manager_->GetWeakPtr(), "ar", "fr"));
 
     ASSERT_FALSE(client_->GetTranslatePrefs()->IsTooOftenDenied("ar"));
   }
 
   MockTranslateDriver driver_;
   std::unique_ptr<MockTranslateClient> client_;
+  std::unique_ptr<MockTranslateRanker> ranker_;

[groby-ooo-7-16, 2017/02/23 00:01:35]

Might want to add a comment to please not reorder, due to shutdown dependencies
:)

[Roger McFarlane (Chromium), 2017/02/23 21:17:56]

Indeed.

Actually, I think they were in the wrong order (client_ depends on
pref_service_). Fixed.

   std::unique_ptr<sync_preferences::TestingPrefServiceSyncable> pref_service_;
   std::unique_ptr<TranslateManager> manager_;
   std::unique_ptr<TranslateUIDelegate> delegate_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TranslateUIDelegateTest);
 };
 
 TEST_F(TranslateUIDelegateTest, CheckDeclinedFalse) {
   std::unique_ptr<TranslatePrefs> prefs(client_->GetTranslatePrefs());
@@ skipping 86 matching lines @@
   prefs->IncrementTranslationAcceptedCount("ar");
 
   EXPECT_FALSE(delegate_->ShouldAlwaysTranslateBeCheckedByDefault());
 }
 
 // TODO(ftang) Currently this file only test TranslationDeclined(), we
 // need to add the test for other functions soon to increase the test
 // coverage.
 
 }  // namespace translate