Content side of languagechange event fired on accept languages changes.

content/shell/renderer/test_runner/web_test_proxy.cc

 // 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.
 
 #include "content/shell/renderer/test_runner/web_test_proxy.h"
 
 #include <cctype>
 
 #include "base/callback_helpers.h"
 #include "base/debug/trace_event.h"
@@ skipping 299 matching lines @@
   // TestRunner does not support popup widgets. So |web_widget|_ is always a
   // WebView.
   return static_cast<WebView*>(web_widget_);
 }
 
 void WebTestProxyBase::Reset() {
   animate_scheduled_ = false;
   resource_identifier_map_.clear();
   log_console_output_ = true;
   if (m_midiClient.get()) m_midiClient->resetMock();
+  accept_languages_ = "";
 }
 
 WebSpellCheckClient* WebTestProxyBase::GetSpellCheckClient() const {
   return spellcheck_.get();
 }
 
 WebColorChooser* WebTestProxyBase::CreateColorChooser(
     WebColorChooserClient* client, const blink::WebColor& color,
     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
   // This instance is deleted by WebCore::ColorInputType
@@ skipping 81 matching lines @@
 void WebTestProxyBase::didCompositeAndReadback(const SkBitmap& bitmap) {
   TRACE_EVENT2("shell", "WebTestProxyBase::didCompositeAndReadback", "x",
                bitmap.info().fWidth, "y", bitmap.info().fHeight);
   SkCanvas canvas(bitmap);
   DrawSelectionRect(&canvas);
   DCHECK(!composite_and_readback_callbacks_.empty());
   composite_and_readback_callbacks_.front().Run(bitmap);
   composite_and_readback_callbacks_.pop_front();
 }
 
+void WebTestProxyBase::SetAcceptLanguages(const std::string& accept_languages) {
+  bool notify = accept_languages_ != accept_languages;
+  accept_languages_ = accept_languages;
+
+  if (notify)
+    GetWebView()->acceptLanguagesChanged();
+}
+
 void WebTestProxyBase::CapturePixelsForPrinting(
     const base::Callback<void(const SkBitmap&)>& callback) {
   web_widget_->layout();
 
   WebSize pageSizeInPixels = web_widget_->size();
   WebFrame* webFrame = GetWebView()->mainFrame();
 
   int pageCount = webFrame->printBegin(pageSizeInPixels);
   int totalHeight = pageCount * (pageSizeInPixels.height + 1) - 1;
 
@@ skipping 675 matching lines @@
                             eventName.utf8().data() + "\n");
   }
 }
 
 void WebTestProxyBase::ResetInputMethod() {
   // If a composition text exists, then we need to let the browser process
   // to cancel the input method's ongoing composition session.
   if (web_widget_) web_widget_->confirmComposition();
 }
 
+blink::WebString WebTestProxyBase::acceptLanguages() {
+  return WebString::fromUTF8(accept_languages_);
+}
+
 }  // namespace content