Remove more unnecessary ChromeURLRequestContext members.

chrome/browser/net/chrome_url_request_context.cc

Index: chrome/browser/net/chrome_url_request_context.cc
diff --git a/chrome/browser/net/chrome_url_request_context.cc b/chrome/browser/net/chrome_url_request_context.cc
index 4c8a7c5f13776558e592012803655997124602a8..b7eea244300e0b08e1d1f8d31d3d5f8d23a16744 100644
--- a/chrome/browser/net/chrome_url_request_context.cc
+++ b/chrome/browser/net/chrome_url_request_context.cc
@@ -10,16 +10,14 @@
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/io_thread.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager_backend.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/browser_thread.h"
 #include "content/common/notification_service.h"
 #include "net/base/cookie_store.h"
-#include "net/ftp/ftp_transaction_factory.h"
-#include "net/http/http_transaction_factory.h"
 #include "net/http/http_util.h"
 #include "webkit/glue/webkit_glue.h"
 
@@ -363,10 +361,6 @@ void ChromeURLRequestContext::CopyFrom(ChromeURLRequestContext* other) {
   URLRequestContext::CopyFrom(other);
 
   // Copy ChromeURLRequestContext parameters.
-  set_appcache_service(other->appcache_service());
-  set_blob_storage_context(other->blob_storage_context());
-  set_file_system_context(other->file_system_context());
-  set_extension_info_map(other->extension_info_map_);
   // ChromeURLDataManagerBackend is unique per context.
   set_is_incognito(other->is_incognito());
 }
@@ -385,9 +379,6 @@ void ChromeURLRequestContext::set_chrome_url_data_manager_backend(
 ChromeURLRequestContext::~ChromeURLRequestContext() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
-  if (appcache_service_.get() && appcache_service_->request_context() == this)
-    appcache_service_->set_request_context(NULL);
-
   NotificationService::current()->Notify(
       chrome::NOTIFICATION_URL_REQUEST_CONTEXT_RELEASED,
       Source<net::URLRequestContext>(this),