Content side of languagechange event fired on accept languages changes.

content/shell/renderer/test_runner/web_test_proxy.cc

Index: content/shell/renderer/test_runner/web_test_proxy.cc
diff --git a/content/shell/renderer/test_runner/web_test_proxy.cc b/content/shell/renderer/test_runner/web_test_proxy.cc
index 58dd26c3ef9bb87d7dd51bf6ab262f18cec48b54..35bdd26eba43a34d03b6717f21660a8182d27d45 100644
--- a/content/shell/renderer/test_runner/web_test_proxy.cc
+++ b/content/shell/renderer/test_runner/web_test_proxy.cc
@@ -288,7 +288,8 @@ WebTestProxyBase::WebTestProxyBase()
       delegate_(NULL),
       web_widget_(NULL),
       spellcheck_(new SpellCheckClient(this)),
-      chooser_count_(0) {
+      chooser_count_(0),
+      accept_languages_("en-US") {
   Reset();
 }
 
@@ -418,6 +419,14 @@ void WebTestProxyBase::didCompositeAndReadback(const SkBitmap& 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();
@@ -1113,4 +1122,8 @@ void WebTestProxyBase::ResetInputMethod() {
   if (web_widget_) web_widget_->confirmComposition();
 }
 
+blink::WebString WebTestProxyBase::acceptLanguages() {
+  return WebString::fromUTF8(accept_languages_);
+}
+
 }  // namespace content