Reland of OOPIF: Route keyboard events to focused frame in the browser process.

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index 44647dfd45c40055e75c9c5d6a42a5d9c3c08093..59541ff73a5dfde97465966e8814973cb6c071bb 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -227,7 +227,9 @@
                        int modifiers) {
   NativeWebKeyboardEvent event;
   BuildSimpleWebKeyEvent(type, key_code, native_key_code, modifiers, &event);
-  web_contents->GetRenderViewHost()->GetWidget()->ForwardKeyboardEvent(event);
+  static_cast<WebContentsImpl*>(web_contents)
+      ->GetFocusedRenderWidgetHost()
+      ->ForwardKeyboardEvent(event);
 }
 
 void GetCookiesCallback(std::string* cookies_out,