Content side of languagechange event fired on accept languages changes.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index d4763be51c01314ed425988ba1a547eb500ae084..84c2186defe130073af5a43dffe37f5f9d3a0441 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2881,6 +2881,8 @@ void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
 void RenderViewImpl::OnSetRendererPrefs(
     const RendererPreferences& renderer_prefs) {
   double old_zoom_level = renderer_preferences_.default_zoom_level;
+  std::string old_accept_languages = renderer_preferences_.accept_languages;
+
   renderer_preferences_ = renderer_prefs;
   UpdateFontRenderingFromRendererPrefs();
 
@@ -2915,6 +2917,11 @@ void RenderViewImpl::OnSetRendererPrefs(
     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
     zoomLevelChanged();
   }
+
+  if (webview() &&
+      old_accept_languages != renderer_preferences_.accept_languages) {
+    webview()->acceptLanguagesChanged();
+  }
 }
 
 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,