Subframes in inner WebContents should not create proxies in process of outer WebContents.

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <queue>
 
 #include "base/location.h"
 #include "base/path_service.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 1071 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestNavOnSrcAttributeChange) {
   TestHelper("testNavOnSrcAttributeChange", "web_view/shim", NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestNavigateAfterResize) {
   TestHelper("testNavigateAfterResize", "web_view/shim", NO_TEST_SERVER);
 }
 
+IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestNestedSubframes) {
+  TestHelper("testNestedSubframes", "web_view/shim", NO_TEST_SERVER);
+}
+
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestRemoveSrcAttribute) {
   TestHelper("testRemoveSrcAttribute", "web_view/shim", NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestReassignSrcAttribute) {
   TestHelper("testReassignSrcAttribute", "web_view/shim", NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewNewWindowTest, Shim_TestNewWindow) {
   TestHelper("testNewWindow", "web_view/shim", NEEDS_TEST_SERVER);
@@ skipping 1516 matching lines @@
   // Generate and send synthetic touch event.
   FocusWaiter waiter(aura_webview);
   content::SimulateTouchPressAt(GetEmbedderWebContents(),
                                 guest_rect.CenterPoint());
 
   // Wait for the TouchStart to propagate and restore focus. Test times out
   // on failure.
   waiter.Wait();
 }
 #endif