Disable translate when there is no API key

components/translate/core/browser/translate_manager.h

Index: components/translate/core/browser/translate_manager.h
diff --git a/components/translate/core/browser/translate_manager.h b/components/translate/core/browser/translate_manager.h
index 74abcca48d12944762a8170aa723d5d4182b7f82..e69957c810a26c52607cba345b852ad81b4ff589 100644
--- a/components/translate/core/browser/translate_manager.h
+++ b/components/translate/core/browser/translate_manager.h
@@ -99,6 +99,8 @@ class TranslateManager {
   // Gets the LanguageState associated with the TranslateManager
   LanguageState& GetLanguageState();
 
+  static void SetIgnoreMissingKeyForTesting(bool ignore);

[hajimehoshi, 2015/07/08 04:41:35]

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+
  private:
   // Sends a translation request to the TranslateDriver.
   void DoTranslatePage(const std::string& translate_script,
@@ -125,6 +127,10 @@ class TranslateManager {
 
   base::WeakPtrFactory<TranslateManager> weak_method_factory_;
 
+  // By default, don't offer to translate in builds lacking an API key. For
+  // testing, set to true to offer anyway.
+  static bool ignore_missing_key_for_testing_;
+
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };