Remove unused WebWindowFeatures from popup blocker, reducing WebString use in browser

chrome/renderer/chrome_render_view_observer.cc

Index: chrome/renderer/chrome_render_view_observer.cc
diff --git a/chrome/renderer/chrome_render_view_observer.cc b/chrome/renderer/chrome_render_view_observer.cc
index 5692c0b9262bdf76131b639c12664789e91e6260..c0d8be29506a17ea3678d8c598852952d1173159 100644
--- a/chrome/renderer/chrome_render_view_observer.cc
+++ b/chrome/renderer/chrome_render_view_observer.cc
@@ -133,9 +133,8 @@ void ChromeRenderViewObserver::OnGetWebApplicationInfo() {
       routing_id(), web_app_info));
 }
 
-void ChromeRenderViewObserver::OnSetWindowFeatures(
-    const WebWindowFeatures& window_features) {
-  render_view()->GetWebView()->setWindowFeatures(window_features);
+void ChromeRenderViewObserver::OnSetWindowFeatures() {
+  render_view()->GetWebView()->setWindowFeatures(WebWindowFeatures());
 }
 
 void ChromeRenderViewObserver::Navigate(const GURL& url) {