Allow extensions to specify that they are not allowed in incognito mode.

extensions/common/manifest_handlers/incognito_manifest_unittest.cc

+// Copyright 2015 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 "extensions/browser/extension_util.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest_handlers/incognito_info.h"
+#include "extensions/common/manifest_test.h"
+
+namespace extensions {
+
+using IncognitoManifestTest = ManifestTest;
+
+TEST_F(IncognitoManifestTest, IncognitoNotAllowed) {
+  scoped_refptr<Extension> extension(
+      LoadAndExpectSuccess("incognito_not_allowed.json"));
+  EXPECT_FALSE(IncognitoInfo::IsIncognitoAllowed(extension.get()));
+  EXPECT_FALSE(IncognitoInfo::IsSplitMode(extension.get()));
+  EXPECT_FALSE(util::CanBeIncognitoEnabled(extension.get()));
+}
+
+TEST_F(IncognitoManifestTest, IncognitoSpanning) {
+  scoped_refptr<Extension> extension(
+      LoadAndExpectSuccess("incognito_spanning.json"));
+  EXPECT_TRUE(IncognitoInfo::IsIncognitoAllowed(extension.get()));
+  EXPECT_FALSE(IncognitoInfo::IsSplitMode(extension.get()));
+  EXPECT_TRUE(util::CanBeIncognitoEnabled(extension.get()));
+}
+
+TEST_F(IncognitoManifestTest, IncognitoSplit) {
+  scoped_refptr<Extension> extension(
+      LoadAndExpectSuccess("incognito_split.json"));
+  EXPECT_TRUE(IncognitoInfo::IsIncognitoAllowed(extension.get()));
+  EXPECT_TRUE(IncognitoInfo::IsSplitMode(extension.get()));
+  EXPECT_TRUE(util::CanBeIncognitoEnabled(extension.get()));
+}
+
+TEST_F(IncognitoManifestTest, IncognitoUnspecified) {
+  scoped_refptr<Extension> extension(LoadAndExpectSuccess("minimal.json"));
+  EXPECT_TRUE(IncognitoInfo::IsIncognitoAllowed(extension.get()));
+  EXPECT_FALSE(IncognitoInfo::IsSplitMode(extension.get()));
+  EXPECT_TRUE(util::CanBeIncognitoEnabled(extension.get()));
+}
+
+}  // namespace extensions