Avoid advertising SDCH over HTTPS.

net/base/sdch_manager.cc

 // Copyright (c) 2012 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 "net/base/sdch_manager.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 278 matching lines @@
       exponential_blacklist_count.find(domain))
     return 0;
   return exponential_blacklist_count[StringToLowerASCII(domain)];
 }
 
 bool SdchManager::IsInSupportedDomain(const GURL& url) {
   DCHECK(CalledOnValidThread());
   if (!g_sdch_enabled_ )
     return false;
 
+  if (!secure_scheme_supported() && url.SchemeIsSecure())
+    return false;
+
   if (blacklisted_domains_.empty())
     return true;
 
   std::string domain(StringToLowerASCII(url.host()));
   DomainCounter::iterator it = blacklisted_domains_.find(domain);
   if (blacklisted_domains_.end() == it)
     return true;
 
   int count = it->second - 1;
   if (count > 0)
@@ skipping 238 matching lines @@
       case '/':
         (*output)[i] = '_';
         continue;
       default:
         continue;
     }
   }
 }
 
 }  // namespace net