[translate] Add translate ranker model loader.

components/translate/core/browser/translate_manager_unittest.cc

Index: components/translate/core/browser/translate_manager_unittest.cc
diff --git a/components/translate/core/browser/translate_manager_unittest.cc b/components/translate/core/browser/translate_manager_unittest.cc
index fda38d798ab21257c32a8274876b62fa875d7958..4b424239d00d388c945cd85c2320a8d338445af3 100644
--- a/components/translate/core/browser/translate_manager_unittest.cc
+++ b/components/translate/core/browser/translate_manager_unittest.cc
@@ -14,6 +14,7 @@
 #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_browser_metrics.h"
 #include "components/translate/core/browser/translate_client.h"
 #include "components/translate/core/browser/translate_download_manager.h"
@@ -164,7 +165,7 @@ class TranslateManagerTest : public ::testing::Test {
   void PrepareTranslateManager() {
     TranslateManager::SetIgnoreMissingKeyForTesting(true);
     translate_manager_.reset(new translate::TranslateManager(
-        &mock_translate_client_, kAcceptLanguages));
+        &mock_translate_client_, &mock_translate_ranker_, kAcceptLanguages));
   }
 
   // Prepare the test for ULP related tests.
@@ -230,6 +231,7 @@ class TranslateManagerTest : public ::testing::Test {
 
   TestNetworkChangeNotifier network_notifier_;
   translate::testing::MockTranslateDriver driver_;
+  translate::testing::MockTranslateRanker mock_translate_ranker_;
   ::testing::NiceMock<MockTranslateClient> mock_translate_client_;
   std::unique_ptr<TranslateManager> translate_manager_;
   std::unique_ptr<base::FieldTrialList> field_trial_list_;
@@ -281,7 +283,7 @@ TEST_F(TranslateManagerTest, GetTargetLanguageAcceptLangFallback) {
 TEST_F(TranslateManagerTest, DontTranslateOffline) {
   TranslateManager::SetIgnoreMissingKeyForTesting(true);
   translate_manager_.reset(new translate::TranslateManager(
-      &mock_translate_client_, kAcceptLanguages));
+      &mock_translate_client_, &mock_translate_ranker_, kAcceptLanguages));
 
   // The test measures that the "Translate was disabled" exit can only be
   // reached after the early-out tests including IsOffline() passed.