Allow extensions on chrome:// URLs, when flag is set and permission is explicitly requested

chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc

Index: chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc
diff --git a/chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc b/chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc
index a0b2c7013ce6bda193fbca90f0b25a7696495185..56e217cf3315c70e55f79d4891b9152a19b53531 100644
--- a/chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc
+++ b/chrome/common/extensions/manifest_tests/extension_manifests_chromepermission_unittest.cc
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
-
+#include "base/command_line.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest.h"
+#include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace errors = extension_manifest_errors;
@@ -16,6 +17,21 @@ TEST_F(ExtensionManifestTest, ChromeURLPermissionInvalid) {
                      errors::kInvalidPermissionScheme);
 }
 
+TEST_F(ExtensionManifestTest, ChromeURLPermissionAllowedWithFlag) {
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kExtensionsOnChromeURLs);
+  std::string error;
+  scoped_refptr<extensions::Extension> extension =
+    LoadAndExpectSuccess("permission_chrome_url_invalid.json");
+  EXPECT_EQ("", error);
+  const GURL newtab_url("chrome://newtab/");
+  EXPECT_TRUE(extension->CanExecuteScriptOnPage(newtab_url,
+                                                newtab_url,
+                                                0,
+                                                NULL,
+                                                &error)) << error;
+}
+
 TEST_F(ExtensionManifestTest, ChromeResourcesPermissionValidOnlyForComponents) {
   LoadAndExpectError("permission_chrome_resources_url.json",
                      errors::kInvalidPermissionScheme);