Replicate to all renderers the accepted languages set by a layout test.

components/test_runner/web_test_proxy.h

Index: components/test_runner/web_test_proxy.h
diff --git a/components/test_runner/web_test_proxy.h b/components/test_runner/web_test_proxy.h
index 3c7746b7890fd72a24f9204cf61b50f3f3468b15..443cd7e8506bbd88c3b9b5033ca2202d5021d7da 100644
--- a/components/test_runner/web_test_proxy.h
+++ b/components/test_runner/web_test_proxy.h
@@ -91,8 +91,6 @@ class TEST_RUNNER_EXPORT WebTestProxyBase {
 
   void PostSpellCheckEvent(const blink::WebString& event_name);
 
-  void SetAcceptLanguages(const std::string& accept_languages);
-
   bool AnimationScheduled() { return animate_scheduled_; }
 
  protected:
@@ -149,8 +147,6 @@ class TEST_RUNNER_EXPORT WebTestProxyBase {
   scoped_ptr<MockCredentialManagerClient> credential_manager_client_;
   scoped_ptr<MockWebSpeechRecognizer> speech_recognizer_;
 
-  std::string accept_languages_;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(WebTestProxyBase);
 };