Disable translate when there is no API key

components/translate/core/browser/translate_manager.cc

Index: components/translate/core/browser/translate_manager.cc
diff --git a/components/translate/core/browser/translate_manager.cc b/components/translate/core/browser/translate_manager.cc
index a7ca46a5fd556de36fb78eea4d974337d5259a52..6b9abee8850081c3c5430aa0187c0208f061038c 100644
--- a/components/translate/core/browser/translate_manager.cc
+++ b/components/translate/core/browser/translate_manager.cc
@@ -29,6 +29,7 @@
 #include "components/translate/core/common/translate_pref_names.h"
 #include "components/translate/core/common/translate_switches.h"
 #include "components/translate/core/common/translate_util.h"
+#include "google_apis/google_api_keys.h"
 #include "net/base/url_util.h"
 #include "net/http/http_status_code.h"
 
@@ -95,6 +96,17 @@ void TranslateManager::InitiateTranslation(const std::string& page_lang) {
     return;
   }
 
+  if (!ignore_missing_key_for_testing_ &&
+      !::google_apis::HasKeysConfigured()) {
+    // Without an API key, translate won't work, so don't offer to translate
+    // in the first place. Leave prefs::kEnableTranslate on, though, because
+    // that settings syncs and we don't want to turn off translate everywhere
+    // else.
+    TranslateBrowserMetrics::ReportInitiationStatus(
+        TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_KEY);
+    return;
+  }
+
   PrefService* prefs = translate_client_->GetPrefs();
   if (!prefs->GetBoolean(prefs::kEnableTranslate)) {
     TranslateBrowserMetrics::ReportInitiationStatus(
@@ -390,4 +402,11 @@ LanguageState& TranslateManager::GetLanguageState() {
   return language_state_;
 }
 
+bool TranslateManager::ignore_missing_key_for_testing_ = false;
+
+// static
+void TranslateManager::SetIgnoreMissingKeyForTesting(bool ignore) {
+  ignore_missing_key_for_testing_ = ignore;
+}
+
 }  // namespace translate