Revert of Replicate to all renderers the accepted languages set by a layout test.

components/test_runner/web_test_proxy.cc

Index: components/test_runner/web_test_proxy.cc
diff --git a/components/test_runner/web_test_proxy.cc b/components/test_runner/web_test_proxy.cc
index 413e484cfbd0b312f84c45c70ba99afb848a8c42..39da57559a1b622b4013c63ce803e2832c587ef6 100644
--- a/components/test_runner/web_test_proxy.cc
+++ b/components/test_runner/web_test_proxy.cc
@@ -154,6 +154,7 @@
 void WebTestProxyBase::Reset() {
   drag_image_.reset();
   animate_scheduled_ = false;
+  accept_languages_ = "";
 }
 
 blink::WebSpellCheckClient* WebTestProxyBase::GetSpellCheckClient() const {
@@ -221,6 +222,14 @@
   SkIRect rect;  // Bounding rect
   rect.set(wr.x, wr.y, wr.x + wr.width, wr.y + wr.height);
   canvas->drawIRect(rect, paint);
+}
+
+void WebTestProxyBase::SetAcceptLanguages(const std::string& accept_languages) {
+  bool notify = accept_languages_ != accept_languages;
+  accept_languages_ = accept_languages;
+
+  if (notify)
+    GetWebView()->acceptLanguagesChanged();
 }
 
 void WebTestProxyBase::CopyImageAtAndCapturePixels(
@@ -525,8 +534,7 @@
 }
 
 blink::WebString WebTestProxyBase::acceptLanguages() {
-  return blink::WebString::fromUTF8(
-      test_interfaces_->GetTestRunner()->GetAcceptLanguages());
+  return blink::WebString::fromUTF8(accept_languages_);
 }
 
 }  // namespace test_runner