Content side of languagechange event fired on accept languages changes.

content/shell/renderer/test_runner/test_runner.cc

Index: content/shell/renderer/test_runner/test_runner.cc
diff --git a/content/shell/renderer/test_runner/test_runner.cc b/content/shell/renderer/test_runner/test_runner.cc
index 981ca526b2d18acbc6d031353a488e3662d974f6..dca6cdd06021eab6afdecef15679a0961e9b237a 100644
--- a/content/shell/renderer/test_runner/test_runner.cc
+++ b/content/shell/renderer/test_runner/test_runner.cc
@@ -184,6 +184,7 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
   void SetAllowUniversalAccessFromFileURLs(bool allow);
   void SetAllowFileAccessFromFileURLs(bool allow);
   void OverridePreference(const std::string key, v8::Handle<v8::Value> value);
+  void SetAcceptLanguages(const std::string& accept_languages);
   void SetPluginsEnabled(bool enabled);
   void DumpEditingCallbacks();
   void DumpAsText();
@@ -383,6 +384,7 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
       .SetMethod("setAllowFileAccessFromFileURLs",
                  &TestRunnerBindings::SetAllowFileAccessFromFileURLs)
       .SetMethod("overridePreference", &TestRunnerBindings::OverridePreference)
+      .SetMethod("setAcceptLanguages", &TestRunnerBindings::SetAcceptLanguages)
       .SetMethod("setPluginsEnabled", &TestRunnerBindings::SetPluginsEnabled)
       .SetMethod("dumpEditingCallbacks",
                  &TestRunnerBindings::DumpEditingCallbacks)
@@ -920,6 +922,14 @@ void TestRunnerBindings::OverridePreference(const std::string key,
     runner_->OverridePreference(key, value);
 }
 
+void TestRunnerBindings::SetAcceptLanguages(
+    const std::string& accept_languages) {
+  if (!runner_)
+    return;
+
+  runner_->SetAcceptLanguages(accept_languages);
+}
+
 void TestRunnerBindings::SetPluginsEnabled(bool enabled) {
   if (runner_)
     runner_->SetPluginsEnabled(enabled);
@@ -2322,6 +2332,10 @@ void TestRunner::OverridePreference(const std::string key,
   delegate_->applyPreferences();
 }
 
+void TestRunner::SetAcceptLanguages(const std::string& accept_languages) {
+  proxy_->SetAcceptLanguages(accept_languages);
+}
+
 void TestRunner::SetPluginsEnabled(bool enabled) {
   delegate_->preferences()->plugins_enabled = enabled;
   delegate_->applyPreferences();