Enable Sdch in Cronet

components/cronet/android/cronet_url_request_context_adapter.cc

Index: components/cronet/android/cronet_url_request_context_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_context_adapter.cc b/components/cronet/android/cronet_url_request_context_adapter.cc
index ef4e9f5cf390cdf5548c2038e5643c5b0dd66c4e..81cc1068dad41ba6eb39cfbc2707e4e742111111 100644
--- a/components/cronet/android/cronet_url_request_context_adapter.cc
+++ b/components/cronet/android/cronet_url_request_context_adapter.cc
@@ -161,6 +161,11 @@ void CronetURLRequestContextAdapter::InitializeOnNetworkThread(
   if (config->load_disable_cache)
     default_load_flags_ |= net::LOAD_DISABLE_CACHE;
 
+  if (config->enable_sdch) {
+    sdch_owner_.reset(
+        new net::SdchOwner(context_->sdch_manager(), context_.get()));

[mef, 2015/04/16 16:04:19]

Add DCHECK(context_->sdch_manager())? 
I know, that it should exist, but wouldn't hurt to verify.

[xunjieli, 2015/04/16 19:36:57]

Done.

+  }
+
   // Currently (circa M39) enabling QUIC requires setting probability threshold.
   if (config->enable_quic) {
     context_->http_server_properties()