Enable SDCH support over HTTPS.

net/base/sdch_manager.h

Index: net/base/sdch_manager.h
diff --git a/net/base/sdch_manager.h b/net/base/sdch_manager.h
index 4f45966dd5bc254f1abce816e675c00a79060233..a5dd21f9346f0cf8e3982a27d96b71dc87fc61fe 100644
--- a/net/base/sdch_manager.h
+++ b/net/base/sdch_manager.h
@@ -251,6 +251,11 @@ class NET_EXPORT SdchManager : public NON_EXPORTED_BASE(base::NonThreadSafe) {
 
   static bool sdch_enabled() { return g_sdch_enabled_; }
 
+  // Enables or disables SDCH compression over secure connection.
+  static void EnableSecureSchemeSupport(bool enabled);
+
+  static bool secure_scheme_supported() { return g_secure_scheme_supported_; }
+
   // Briefly prevent further advertising of SDCH on this domain (if SDCH is
   // enabled). After enough calls to IsInSupportedDomain() the blacklisting
   // will be removed.  Additional blacklists take exponentially more calls
@@ -344,6 +349,10 @@ class NET_EXPORT SdchManager : public NON_EXPORTED_BASE(base::NonThreadSafe) {
   // Support SDCH compression, by advertising in headers.
   static bool g_sdch_enabled_;
 
+  // Support SDCH compression for HTTPS requests and responses. When supported,
+  // HTTPS applicable dictionaries MUST have been acquired securely via HTTPS.
+  static bool g_secure_scheme_supported_;
+
   // A simple implementation of a RFC 3548 "URL safe" base64 encoder.
   static void UrlSafeBase64Encode(const std::string& input,
                                   std::string* output);