[Extensions] Clean up renderer channel-related code

extensions/common/features/feature_util.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_COMMON_FEATURES_FEATURE_UTIL_H_
 #define EXTENSIONS_COMMON_FEATURES_FEATURE_UTIL_H_
 
 #include "base/debug/alias.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 10 matching lines @@
 #define CRASH_WITH_MINIDUMP(message)                                           \
   {                                                                            \
     std::string message_copy(message);                                         \
     char minidump[BUFSIZ];                                                     \
     base::debug::Alias(&minidump);                                             \
     base::snprintf(minidump, arraysize(minidump), "e::%s:%d:\"%s\"", __FILE__, \
                    __LINE__, message_copy.c_str());                            \
     LOG(FATAL) << message_copy;                                                \
   }
 
+namespace extensions {
+namespace feature_util {
+
+// Returns true if service workers are enabled for extension schemes.
+// TODO(lazyboy): Remove this function once extension Service Workers
+// are enabled by default for a while.
+bool ExtensionServiceWorkersEnabled();

[lazyboy, 2016/07/11 23:53:16]

I can't find where this is defined anymore, some patch hiccup?

[Devlin, 2016/07/14 17:32:11]

Whoops, missed the file originally.  Added.

+
+}  // namespace feature_util
+}  // namespace extensions
+
 #endif  // EXTENSIONS_COMMON_FEATURES_FEATURE_UTIL_H_