Move each permission classes to its own files in extensions/permissions

chrome/common/extensions/manifest_tests/extension_manifests_background_unittest.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 "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/features/simple_feature_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using extensions::APIPermission;
+
 namespace errors = extension_manifest_errors;
 
 namespace extensions {
 
 TEST_F(ExtensionManifestTest, BackgroundPermission) {
   LoadAndExpectError("background_permission.json",
                      errors::kBackgroundPermissionNeeded);
 
   scoped_refptr<Extension> extension;
   extension = LoadAndExpectSuccess("background_permission_alias.json");
-  EXPECT_TRUE(extension->HasAPIPermission(ExtensionAPIPermission::kBackground));
+  EXPECT_TRUE(extension->HasAPIPermission(APIPermission::kBackground));
 }
 
 TEST_F(ExtensionManifestTest, BackgroundScripts) {
   std::string error;
   scoped_ptr<DictionaryValue> manifest(
       LoadManifestFile("background_scripts.json", &error));
   ASSERT_TRUE(manifest.get());
 
   scoped_refptr<Extension> extension(
       LoadAndExpectSuccess(Manifest(manifest.get(), "")));
@@ skipping 62 matching lines @@
   EXPECT_TRUE(extension->has_lazy_background_page());
 
   ListValue* permissions = new ListValue();
   permissions->Append(Value::CreateStringValue("webRequest"));
   manifest->Set(keys::kPermissions, permissions);
   LoadAndExpectError(Manifest(manifest.get(), ""),
                      errors::kWebRequestConflictsWithLazyBackground);
 }
 
 }  // namespace extensions