Revert of Extensions: Only create Web request rules registry if Declarative Web Request is enabled.

extensions/common/features/simple_feature.cc

Index: extensions/common/features/simple_feature.cc
diff --git a/extensions/common/features/simple_feature.cc b/extensions/common/features/simple_feature.cc
index 0f7675b19f15c504bd5caa3c6409e6bc48fea78d..d901cd9a70cb765eb6e0abd76ff46fab218bc7c5 100644
--- a/extensions/common/features/simple_feature.cc
+++ b/extensions/common/features/simple_feature.cc
@@ -51,11 +51,6 @@
                                                   Feature::Platform platform,
                                                   const Feature* feature) {
   return feature->IsAvailableToContext(extension, context, url, platform);
-}
-
-Feature::Availability IsAvailableToChannelForBind(version_info::Channel channel,
-                                                  const Feature* feature) {
-  return feature->IsAvailableToChannel(channel);
 }
 
 // Gets a human-readable name for the given extension type, suitable for giving
@@ -460,13 +455,6 @@
   return IsIdInList(extension_id, whitelist_);
 }
 
-Feature::Availability SimpleFeature::IsAvailableToChannel(
-    version_info::Channel channel) const {
-  if (channel_ && *channel_ < channel)
-    return CreateAvailability(UNSUPPORTED_CHANNEL, *channel_);
-  return CheckDependencies(base::Bind(&IsAvailableToChannelForBind, channel));
-}
-
 // static
 bool SimpleFeature::IsIdInArray(const std::string& extension_id,
                                 const char* const array[],