Session-only local storage cleared on exit.

chrome/browser/profiles/profile_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile_impl.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
 #include "base/file_path.h"
@@ skipping 646 matching lines @@
 
   if (appcache_service_ && clear_local_state_on_exit_) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         NewRunnableMethod(
             appcache_service_.get(),
             &appcache::AppCacheService::set_clear_local_state_on_exit,
             true));
   }
 
+  if (webkit_context_.get())
+    webkit_context_->DeleteSessionOnlyData();
+
   StopCreateSessionServiceTimer();
 
   // Remove pref observers
   pref_change_registrar_.RemoveAll();
 
   ProfileDependencyManager::GetInstance()->DestroyProfileServices(this);
 
   if (db_tracker_) {
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
@@ skipping 145 matching lines @@
   return extension_message_service_.get();
 }
 
 ExtensionEventRouter* ProfileImpl::GetExtensionEventRouter() {
   return extension_event_router_.get();
 }
 
 ExtensionSpecialStoragePolicy*
     ProfileImpl::GetExtensionSpecialStoragePolicy() {
   if (!extension_special_storage_policy_.get())
-    extension_special_storage_policy_ = new ExtensionSpecialStoragePolicy();
+    extension_special_storage_policy_ =
+        new ExtensionSpecialStoragePolicy(GetHostContentSettingsMap());
   return extension_special_storage_policy_.get();
 }
 
 SSLHostState* ProfileImpl::GetSSLHostState() {
   if (!ssl_host_state_.get())
     ssl_host_state_.reset(new SSLHostState());
 
   DCHECK(ssl_host_state_->CalledOnValidThread());
   return ssl_host_state_.get();
 }
@@ skipping 880 matching lines @@
 #endif
   }
   return prerender_manager_.get();
 }
 
 SpellCheckProfile* ProfileImpl::GetSpellCheckProfile() {
   if (!spellcheck_profile_.get())
     spellcheck_profile_.reset(new SpellCheckProfile());
   return spellcheck_profile_.get();
 }