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

components/test_runner/test_runner.h

 // 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.
 
 #ifndef COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_
 #define COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 65 matching lines @@
   void GetAudioData(std::vector<unsigned char>* buffer_view) const override;
   bool IsRecursiveLayoutDumpRequested() override;
   std::string DumpLayout(blink::WebLocalFrame* frame) override;
   void ReplicateLayoutTestRuntimeFlagsChanges(
       const base::DictionaryValue& changed_values) override;
   bool HasCustomTextDump(std::string* custom_text_dump) const override;
   bool ShouldDumpBackForwardList() const override;
   blink::WebContentSettingsClient* GetWebContentSettings() const override;
 
   // Methods used by WebTestProxyBase and WebFrameTestClient.
+  std::string GetAcceptLanguages() const;
   bool shouldStayOnPageAfterHandlingBeforeUnload() const;
   MockScreenOrientationClient* getMockScreenOrientationClient();
   MockWebUserMediaClient* getMockWebUserMediaClient();
   bool shouldDumpSelectionRect() const;
   bool isPrinting() const;
   bool shouldDumpAsTextWithPixelResults();
   bool shouldDumpAsCustomText() const;
   std:: string customDumpText() const;
   void ShowDevTools(const std::string& settings,
                     const std::string& frontend_url);
@@ skipping 733 matching lines @@
   int chooser_count_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_