Add an eviction mechanism for SDCH dictionaries.

chrome/browser/profiles/off_the_record_profile_io_data.h

Index: chrome/browser/profiles/off_the_record_profile_io_data.h
diff --git a/chrome/browser/profiles/off_the_record_profile_io_data.h b/chrome/browser/profiles/off_the_record_profile_io_data.h
index 900dbfcbab8dd856aa79104ee77c2aa26161c913..f3b37337fa2658086175ae52c18567532605743f 100644
--- a/chrome/browser/profiles/off_the_record_profile_io_data.h
+++ b/chrome/browser/profiles/off_the_record_profile_io_data.h
@@ -15,7 +15,6 @@
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/storage_partition_descriptor.h"
 
-class ChromeSdchPolicy;
 class ChromeURLRequestContextGetter;
 class Profile;
 
@@ -23,6 +22,7 @@ namespace net {
 class FtpTransactionFactory;
 class HttpTransactionFactory;
 class SdchManager;
+class SdchOwner;
 class URLRequestContext;
 }  // namespace net
 
@@ -151,7 +151,7 @@ class OffTheRecordProfileIOData : public ProfileIOData {
   mutable scoped_ptr<net::URLRequestJobFactory> extensions_job_factory_;
 
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
-  mutable scoped_ptr<ChromeSdchPolicy> sdch_policy_;
+  mutable scoped_ptr<net::SdchOwner> sdch_policy_;
 
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileIOData);
 };