Add an eviction mechanism for SDCH dictionaries.

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index 08870694f77241953261ff2eb5381b22f4d63a85..77234522e3459d4c88a17c2e0c7cf9a1f7e15efc 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -23,7 +23,6 @@
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
-#include "chrome/browser/net/chrome_sdch_policy.h"
 #include "chrome/browser/net/connect_interceptor.h"
 #include "chrome/browser/net/cookie_store_util.h"
 #include "chrome/browser/net/http_server_properties_manager_factory.h"
@@ -57,6 +56,7 @@
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_server_properties_manager.h"
+#include "net/sdch/sdch_owner.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/url_request/url_request_intercepting_job_factory.h"
 #include "net/url_request/url_request_job_factory_impl.h"
@@ -664,7 +664,7 @@ void ProfileImplIOData::InitializeInternal(
 
   // Setup SDCH for this profile.
   sdch_manager_.reset(new net::SdchManager);
-  sdch_policy_.reset(new ChromeSdchPolicy(sdch_manager_.get(), main_context));
+  sdch_policy_.reset(new net::SdchOwner(sdch_manager_.get(), main_context));
   main_context->set_sdch_manager(sdch_manager_.get());
 
   // Create a media request context based on the main context, but using a