Implement ComplexFeature to support permission features with multiple rules.

chrome/common/extensions/api/extension_api_unittest.cc

Index: chrome/common/extensions/api/extension_api_unittest.cc
diff --git a/chrome/common/extensions/api/extension_api_unittest.cc b/chrome/common/extensions/api/extension_api_unittest.cc
index 7d14560b4b636788d02043133d55064f6bc6eceb..786d1916899866e222dc7b1a42780a288167a572 100644
--- a/chrome/common/extensions/api/extension_api_unittest.cc
+++ b/chrome/common/extensions/api/extension_api_unittest.cc
@@ -16,6 +16,7 @@
 #include "base/values.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/features/simple_feature.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
@@ -28,7 +29,7 @@ class TestFeatureProvider : public FeatureProvider {
   }
 
   virtual Feature* GetFeature(const std::string& name) OVERRIDE {
-    Feature* result = new Feature();
+    SimpleFeature* result = new SimpleFeature();
     result->set_name(name);
     result->extension_types()->insert(Extension::TYPE_EXTENSION);
     result->contexts()->insert(context_);
@@ -352,11 +353,13 @@ TEST(ExtensionAPI, GetAPINameFromFullName) {
 TEST(ExtensionAPI, DefaultConfigurationFeatures) {
   scoped_ptr<ExtensionAPI> api(ExtensionAPI::CreateWithDefaultConfiguration());
 
-  Feature* bookmarks = api->GetFeature("bookmarks");
-  Feature* bookmarks_create = api->GetFeature("bookmarks.create");
+  SimpleFeature* bookmarks =
+      static_cast<SimpleFeature*>(api->GetFeature("bookmarks"));
+  SimpleFeature* bookmarks_create =
+      static_cast<SimpleFeature*>(api->GetFeature("bookmarks.create"));
 
   struct {
-    Feature* feature;
+    SimpleFeature* feature;
     // TODO(aa): More stuff to test over time.
   } test_data[] = {
     { bookmarks },
@@ -364,7 +367,7 @@ TEST(ExtensionAPI, DefaultConfigurationFeatures) {
   };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data); ++i) {
-    Feature* feature = test_data[i].feature;
+    SimpleFeature* feature = test_data[i].feature;
     ASSERT_TRUE(feature) << i;
 
     EXPECT_TRUE(feature->whitelist()->empty());