Content side of languagechange event fired on accept languages changes.

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2897 matching lines @@
 }
 
 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
     const gfx::Size& disable_scrollbar_size_limit) {
   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
 }
 
 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();
 
 #if defined(USE_DEFAULT_RENDER_THEME)
   if (renderer_prefs.use_custom_colors) {
     WebColorName name = blink::WebColorWebkitFocusRingColor;
     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
 
     if (webview()) {
@@ skipping 14 matching lines @@
 
   // If the zoom level for this page matches the old zoom default, and this
   // is not a plugin, update the zoom level to match the new default.
   if (webview() && !webview()->mainFrame()->document().isPluginDocument() &&
       !ZoomValuesEqual(old_zoom_level,
                        renderer_preferences_.default_zoom_level) &&
       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
     zoomLevelChanged();
   }
+
+  if (webview() &&
+      old_accept_languages != renderer_preferences_.accept_languages) {
+    webview()->acceptLanguagesChanged();

[jochen (gone - plz use gerrit), 2014/05/23 13:12:09]

this API doesn't exist yet, no?

[mlamouri (slow - plz ping), 2014/05/23 13:15:17]

It is being added in https://codereview.chromium.org/284793003/
You did a review pass, I addressed your comments. Hopefully, it's close enough
to land ;)

+  }
 }
 
 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
                                            const WebMediaPlayerAction& action) {
   if (webview())
     webview()->performMediaPlayerAction(action, location);
 }
 
 void RenderViewImpl::OnOrientationChange() {
   // TODO(mlamouri): consumers of that event should be using DisplayObserver.
@@ skipping 1125 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content