Revert of 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 443cd7e8506bbd88c3b9b5033ca2202d5021d7da..3c7746b7890fd72a24f9204cf61b50f3f3468b15 100644
--- a/components/test_runner/web_test_proxy.h
+++ b/components/test_runner/web_test_proxy.h
@@ -90,6 +90,8 @@
   blink::WebView* GetWebView() const;
 
   void PostSpellCheckEvent(const blink::WebString& event_name);
+
+  void SetAcceptLanguages(const std::string& accept_languages);
 
   bool AnimationScheduled() { return animate_scheduled_; }
 
@@ -146,6 +148,8 @@
 
   scoped_ptr<MockCredentialManagerClient> credential_manager_client_;
   scoped_ptr<MockWebSpeechRecognizer> speech_recognizer_;
+
+  std::string accept_languages_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebTestProxyBase);