Clean up TestFeaturesNativeHandler to use the ExtensionsClient's JSON feature sources.

extensions/test/test_extensions_client.cc

Index: extensions/test/test_extensions_client.cc
diff --git a/extensions/test/test_extensions_client.cc b/extensions/test/test_extensions_client.cc
index 90888a76b50bbaa42f8b2133619e7785a5380c2f..7ef0277da678fb727c16beb7ac2916a41e7ab92a 100644
--- a/extensions/test/test_extensions_client.cc
+++ b/extensions/test/test_extensions_client.cc
@@ -5,10 +5,11 @@
 #include "extensions/test/test_extensions_client.h"
 
 #include "extensions/common/common_manifest_handlers.h"
-#include "extensions/common/features/base_feature_provider.h"
+#include "extensions/common/features/feature_provider.h"
+#include "extensions/common/features/json_feature_provider_source.h"
 #include "extensions/common/manifest_handler.h"
+#include "extensions/common/url_pattern_set.h"
 #include "extensions/test/test_permission_message_provider.h"
-#include "extensions/test/test_permissions_provider.h"
 
 namespace extensions {
 
@@ -39,6 +40,13 @@ scoped_ptr<FeatureProvider> TestExtensionsClient::CreateFeatureProvider(
   return scoped_ptr<FeatureProvider>();
 }
 
+// TODO(yoz): Implement something reasonable here.
+scoped_ptr<JSONFeatureProviderSource>
+TestExtensionsClient::CreateFeatureProviderSource(
+    const std::string& name) const {
+  return scoped_ptr<JSONFeatureProviderSource>();
+}
+
 void TestExtensionsClient::FilterHostPermissions(
     const URLPatternSet& hosts,
     URLPatternSet* new_hosts,