Disable translate when there is no API key

components/translate/core/browser/translate_manager.cc

 // Copyright 2014 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_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 11 matching lines @@
 #include "components/translate/core/browser/translate_error_details.h"
 #include "components/translate/core/browser/translate_language_list.h"
 #include "components/translate/core/browser/translate_prefs.h"
 #include "components/translate/core/browser/translate_script.h"
 #include "components/translate/core/browser/translate_url_util.h"
 #include "components/translate/core/common/language_detection_details.h"
 #include "components/translate/core/common/translate_constants.h"
 #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"
 
 namespace translate {
 
 namespace {
 
 // Callbacks for translate errors.
 TranslateManager::TranslateErrorCallbackList* g_callback_list_ = NULL;
 
@@ skipping 46 matching lines @@
 void TranslateManager::InitiateTranslation(const std::string& page_lang) {
   // Short-circuit out if not in a state where initiating translation makes
   // sense (this method may be called muhtiple times for a given page).
   if (!language_state_.page_needs_translation() ||
       language_state_.translation_pending() ||
       language_state_.translation_declined() ||
       language_state_.IsPageTranslated()) {
     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(
         TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_PREFS);
     const std::string& locale =
         TranslateDownloadManager::GetInstance()->application_locale();
     TranslateBrowserMetrics::ReportLocalesOnDisabledByPrefs(locale);
     return;
   }
 
@@ skipping 275 matching lines @@
     if (TranslateDownloadManager::IsSupportedLanguage(auto_target_lang))
       return auto_target_lang;
   }
   return std::string();
 }
 
 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