Make SdchManager per-profile.

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 21ab1eb65dbf60c7dd65f05f2aac6938099933d1..a7e03bc66068a7ffd1a20aed6e41ee8f36b8add1 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -31,6 +31,7 @@ namespace net {
 class FtpTransactionFactory;
 class HttpServerProperties;
 class HttpTransactionFactory;
+class SDCHManager;
 }  // namespace net
 
 namespace quota {
@@ -234,6 +235,8 @@ class ProfileImplIOData : public ProfileIOData {
   mutable scoped_ptr<domain_reliability::DomainReliabilityMonitor>
       domain_reliability_monitor_;
 
+  mutable scoped_ptr<net::SdchManager> sdch_manager_;
+
   // Parameters needed for isolated apps.
   base::FilePath profile_path_;
   int app_cache_max_size_;