Track all extension frames in ProcessManager, inspect extensionoptions

chrome/browser/extensions/extension_messages_apitest.cc

 // Copyright (c) 2012 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 "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 105 matching lines @@
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MessagingExternal) {
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("..").AppendASCII("good")
                     .AppendASCII("Extensions")
                     .AppendASCII("bjafgdebaacbbbecmhlhpofkepfkgcpa")
                     .AppendASCII("1.0")));
 
   ASSERT_TRUE(RunExtensionTest("messaging/connect_external")) << message_;
 }
 
+// Tests that a content script can exchange messages with a tab even if there is
+// no background page.
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MessagingNoBackground) {
+  ASSERT_TRUE(StartEmbeddedTestServer());
+  ASSERT_TRUE(RunExtensionSubtest("messaging/connect_nobackground",
+                                  "page_in_main_frame.html")) << message_;
+}
+
 // Tests that messages with event_urls are only passed to extensions with
 // appropriate permissions.
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MessagingEventURL) {
   MessageSender sender;
   ASSERT_TRUE(RunExtensionTest("messaging/event_url")) << message_;
 }
 
 // Tests connecting from a panel to its extension.
 class PanelMessagingTest : public ExtensionApiTest {
   void SetUpCommandLine(base::CommandLine* command_line) override {
@@ skipping 1056 matching lines @@
   ui_test_utils::NavigateToURL(browser(), chromium_org_url());
   EXPECT_EQ(COULD_NOT_ESTABLISH_CONNECTION_ERROR,
             CanConnectAndSendMessagesToMainFrame(invalid.get()));
 }
 
 #endif  // !defined(OS_WIN) - http://crbug.com/350517.
 
 }  // namespace
 
 };  // namespace extensions