Create a mechanism define declarative rules via the extension manifest.

extensions/common/api/declarative/declarative_manifest_unittest.cc

Index: extensions/common/api/declarative/declarative_manifest_unittest.cc
diff --git a/extensions/common/api/declarative/declarative_manifest_unittest.cc b/extensions/common/api/declarative/declarative_manifest_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..032909cb4bf0302da6580c5912843848d242aea7
--- /dev/null
+++ b/extensions/common/api/declarative/declarative_manifest_unittest.cc
@@ -0,0 +1,39 @@
+// 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/api_test_utils.h"
+#include "extensions/common/api/declarative/declarative_manifest_data.h"
+#include "extensions/common/manifest_test.h"
+
+namespace extensions {
+
+using api_test_utils::ParseDictionary;
+using DeclarativeManifestTest = ManifestTest;
+
+TEST_F(DeclarativeManifestTest, Valid) {
+  scoped_refptr<Extension> extension = LoadAndExpectSuccess("event_rules.json");
+  DeclarativeManifestData* manifest_data =
+      DeclarativeManifestData::Get(extension.get());
+  ASSERT_TRUE(manifest_data);
+  std::vector<linked_ptr<DeclarativeManifestData::Rule>>& rules =
+      manifest_data->RulesForEvent("foo");
+  EXPECT_EQ(1u, rules.size());
+  scoped_ptr<base::DictionaryValue> expected_rule = ParseDictionary(
+      "{"
+      "  \"actions\": [{"
+      "    \"instanceType\": \"action_type\""
+      "  }],"
+      "  \"conditions\" : [{"
+      "    \"instanceType\" : \"condition_type\""
+      "  }]"
+      "}");
+  EXPECT_TRUE(expected_rule->Equals(rules[0]->ToValue().get()));
+}
+
+TEST_F(DeclarativeManifestTest, Invalid) {
+  LoadAndExpectError("event_rules_invalid.json",
+                     "'type' is required; rule failed to populate");
+}
+
+}  // namespace extensions