Add an experimental permissions API for extensions.

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2011 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 "chrome/browser/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 1006 matching lines @@
                                scripts[1].js_scripts()[0].extension_root(),
                                scripts[1].js_scripts()[0].relative_path());
   expected_path =
       extension->path().AppendASCII("js_files").AppendASCII("script3.js");
   ASSERT_TRUE(file_util::AbsolutePath(&expected_path));
   EXPECT_TRUE(resource10.ComparePathWithDefault(expected_path));
 
   expected_patterns.ClearPatterns();
   AddPattern(&expected_patterns, "http://*.google.com/*");
   AddPattern(&expected_patterns, "https://*.google.com/*");
-  EXPECT_EQ(expected_patterns, extension->permission_set()->explicit_hosts());
+  EXPECT_EQ(expected_patterns,
+            extension->GetActivePermissions()->explicit_hosts());
 
   EXPECT_EQ(std::string(good1), loaded_[1]->id());
   EXPECT_EQ(std::string("My extension 2"), loaded_[1]->name());
   EXPECT_EQ(std::string(""), loaded_[1]->description());
   EXPECT_EQ(loaded_[1]->GetResourceURL("background.html"),
             loaded_[1]->background_url());
   EXPECT_EQ(0u, loaded_[1]->content_scripts().size());
   // We don't parse the plugins section on Chrome OS.
 #if defined(OS_CHROMEOS)
   EXPECT_EQ(0u, loaded_[1]->plugins().size());
@@ skipping 2756 matching lines @@
   ASSERT_FALSE(AddPendingSyncInstall());
 
   // Wait for the external source to install.
   WaitForCrxInstall(crx_path_, true);
   ASSERT_TRUE(IsCrxInstalled());
 
   // Now that the extension is installed, sync request should fail
   // because the extension is already installed.
   ASSERT_FALSE(AddPendingSyncInstall());
 }