[Unit Tests] TranslateManage::GetLanguageState now returns pointer.

Chromium change:

https://source.chromium.org/chromium/chromium/src/+/83f98320cc0144937d3399b6462f4e3ceaf57816

commit 83f98320cc0144937d3399b6462f4e3ceaf57816
Author: Evan Stade <[email protected]>
Date:   Mon Sep 28 20:56:16 2020 +0000

    Make TranslateManager::GetLanguageState return a pointer instead of ref

    Also make ChromeTranslateClient return const& instead of &.

    Non-const refs are forbidden by the style guide.

    Bug: none

Author: mkarolin

chromium_src/components/translate/core/browser/translate_manager_unittest.cc

@@ -26,7 +26,7 @@ TEST_F(TranslateManagerTest, CanManuallyTranslate_WithoutAPIKey) {
           .WillByDefault(Return(true));
   network_notifier_.SimulateOnline();
 
-  translate_manager_->GetLanguageState().LanguageDetermined("de", true);
+  translate_manager_->GetLanguageState()->LanguageDetermined("de", true);
   EXPECT_TRUE(translate_manager_->CanManuallyTranslate());
 
   ::google_apis::SetAPIKeyForTesting(api_key);
@@ -48,7 +48,7 @@ TEST_F(TranslateManagerTest, CanManuallyTranslate_WithAPIKey) {
           .WillByDefault(Return(true));
   network_notifier_.SimulateOnline();
 
-  translate_manager_->GetLanguageState().LanguageDetermined("de", true);
+  translate_manager_->GetLanguageState()->LanguageDetermined("de", true);
   EXPECT_TRUE(translate_manager_->CanManuallyTranslate());
 
   ::google_apis::SetAPIKeyForTesting(api_key);