Revert of Content side of languagechange event fired on accept languages changes.

content/shell/renderer/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 CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 300 matching lines @@
 
   // Set the WebPreference that controls webkit's popup blocking.
   void SetPopupBlockingEnabled(bool block_popups);
 
   void SetJavaScriptCanAccessClipboard(bool can_access);
   void SetXSSAuditorEnabled(bool enabled);
   void SetAllowUniversalAccessFromFileURLs(bool allow);
   void SetAllowFileAccessFromFileURLs(bool allow);
   void OverridePreference(const std::string key, v8::Handle<v8::Value> value);
 
-  // Modify accept_languages in RendererPreferences.
-  void SetAcceptLanguages(const std::string& accept_languages);
-
   // Enable or disable plugins.
   void SetPluginsEnabled(bool enabled);
 
   ///////////////////////////////////////////////////////////////////////////
   // Methods that modify the state of TestRunner
 
   // This function sets a flag that tells the test_shell to print a line of
   // descriptive text for each editing command. It takes no arguments, and
   // ignores any that may be present.
   void DumpEditingCallbacks();
@@ skipping 378 matching lines @@
   bool use_mock_theme_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_