Restructure SDCH layering to allow more separation (observer/1->[0,n]

chrome/browser/profiles/profile_impl_io_data.h

Index: chrome/browser/profiles/profile_impl_io_data.h
diff --git a/chrome/browser/profiles/profile_impl_io_data.h b/chrome/browser/profiles/profile_impl_io_data.h
index a4bb5f68c7a18125c51468b895c10ae1707ae622..ca6ccaf99ced7e9ee8796d0a7679074389066b60 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -14,6 +14,8 @@
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "content/public/browser/cookie_store_factory.h"
 
+class ChromeSdchPolicy;
+
 namespace chrome_browser_net {
 class Predictor;
 }  // namespace chrome_browser_net
@@ -236,6 +238,7 @@ class ProfileImplIOData : public ProfileIOData {
       domain_reliability_monitor_;
 
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
+  mutable scoped_ptr<ChromeSdchPolicy> sdch_policy_;
 
   mutable BooleanPrefMember data_reduction_proxy_enabled_;