Fix message routing for BrowserPlugin in iframe

extensions/browser/guest_view/web_view/web_view_apitest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_apitest.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 125 matching lines @@
   test_config_.SetString(kTestDataDirectory,
                          net::FilePathToFileURL(test_data_dir).spec());
 
   embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
 
   const Extension* extension = extension_system_->LoadApp(test_data_dir);
   ASSERT_TRUE(extension);
   extension_system_->LaunchApp(extension->id());
 
   ExtensionTestMessageListener launch_listener("LAUNCHED", false);
+  launch_listener.set_failure_message("FAILURE");
   ASSERT_TRUE(launch_listener.WaitUntilSatisfied());
 
   embedder_web_contents_ = GetFirstAppWindowWebContents();
 }
 
 content::WebContents* WebViewAPITest::GetFirstAppWindowWebContents() {
   const AppWindowRegistry::AppWindowList& app_window_list =
       AppWindowRegistry::Get(browser_context_)->app_windows();
   DCHECK(app_window_list.size() == 1);
   return (*app_window_list.begin())->web_contents();
@@ skipping 542 matching lines @@
 // Tests the existence of WebRequest API event objects on the request
 // object, on the webview element, and hanging directly off webview.
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIExistence) {
   RunTest("testWebRequestAPIExistence", "web_view/apitest");
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIGoogleProperty) {
   RunTest("testWebRequestAPIGoogleProperty", "web_view/apitest");
 }
 
+// This test verifies that webview.contentWindow works inside an iframe
+IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebViewInsideFrame) {
+  LaunchApp("web_view/inside_iframe");
+}
+
+
 }  // namespace extensions