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 011454e33b875e8695be2bd2ba32c992195acd5c..2a56e71e72ffe8d4f464304497b7bd26476313ef 100644
--- a/chrome/browser/net/chrome_url_request_context.cc
+++ b/chrome/browser/net/chrome_url_request_context.cc
@@ -10,15 +10,13 @@
 #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/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"
 
@@ -362,10 +360,6 @@ 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());
 }
@@ -384,9 +378,6 @@ 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(
       NotificationType::URL_REQUEST_CONTEXT_RELEASED,
       Source<net::URLRequestContext>(this),