Allow tabCapture API to be granted for chrome:// pages.

chrome/browser/extensions/api/tab_capture/tab_capture_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/strings/stringprintf.h"
 #include "base/win/windows_version.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/extensions/tab_helper.h"
@@ skipping 145 matching lines @@
   // Add extension to whitelist and make sure capture succeeds.
   EXPECT_TRUE(before_whitelist_extension.WaitUntilSatisfied());
   AddExtensionToCommandLineWhitelist();
   before_whitelist_extension.Reply("");
 
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
+// Make sure tabCapture API can be granted for Chrome:// pages.
+IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, GrantForChromePages) {
+  ExtensionTestMessageListener before_open_tab("ready1", true);
+  ASSERT_TRUE(RunExtensionSubtest("tab_capture/experimental",
+                                  "active_tab_chrome_pages.html")) << message_;
+  EXPECT_TRUE(before_open_tab.WaitUntilSatisfied());
+
+  // Open a tab on a chrome:// page and make sure we can capture.
+  content::OpenURLParams params(GURL("chrome://version"), content::Referrer(),
+                                NEW_FOREGROUND_TAB,
+                                content::PAGE_TRANSITION_LINK, false);
+  content::WebContents* web_contents = browser()->OpenURL(params);
+  ExtensionService* extension_service =
+      Profile::FromBrowserContext(web_contents->GetBrowserContext())
+          ->GetExtensionService();
+  extensions::TabHelper::FromWebContents(web_contents)
+      ->active_tab_permission_granter()->GrantIfRequested(
+            extension_service->GetExtensionById(kExtensionId, false));
+  before_open_tab.Reply("");
+
+  ResultCatcher catcher;
+  catcher.RestrictToProfile(browser()->profile());
+  EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+}
+
 }  // namespace chrome