Add an eviction mechanism for SDCH dictionaries.

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 1ae73d3e5f4bf91a63090c54afefffbfcd8f291a..8ea0f1a8c95b4ca3089e3746582a05e7f57c46e8 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -14,8 +14,6 @@
 #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
@@ -39,7 +37,8 @@ class HttpServerProperties;
 class HttpServerPropertiesManager;
 class HttpTransactionFactory;
 class ProxyConfig;
-class SDCHManager;
+class SdchManager;
+class SdchOwner;
 }  // namespace net
 
 namespace storage {
@@ -246,7 +245,7 @@ class ProfileImplIOData : public ProfileIOData {
       domain_reliability_monitor_;
 
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
-  mutable scoped_ptr<ChromeSdchPolicy> sdch_policy_;
+  mutable scoped_ptr<net::SdchOwner> sdch_policy_;
 
   mutable BooleanPrefMember data_reduction_proxy_enabled_;