Turn on session storage by default.

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 516 matching lines @@
     switches::kDisableAudio,
     switches::kSimpleDataSource,
     switches::kEnableBenchmarking,
     switches::kInternalNaCl,
     switches::kInternalPepper,
     switches::kDisableByteRangeSupport,
     switches::kDisableDatabases,
     switches::kDisableDesktopNotifications,
     switches::kDisableWebSockets,
     switches::kDisableLocalStorage,
-    switches::kEnableSessionStorage,
+    switches::kDisableSessionStorage,
     switches::kDisableSharedWorkers,
     switches::kDisableApplicationCache,
     switches::kEnableIndexedDatabase,
     switches::kEnableGeolocation,
     switches::kShowPaintRects,
     switches::kEnableOpenMax,
     // We propagate the Chrome Frame command line here as well in case the
     // renderer is not run in the sandbox.
     switches::kChromeFrame,
 #if defined(OS_MACOSX)
@@ skipping 451 matching lines @@
         IPC::InvalidPlatformFileForTransit(),
         std::vector<std::string>(),
         std::string(),
         false));
   }
 }
 
 void BrowserRenderProcessHost::EnableAutoSpellCorrect(bool enable) {
   Send(new ViewMsg_SpellChecker_EnableAutoSpellCorrect(enable));
 }