Session-only local storage cleared on exit.

content/browser/in_process_webkit/webkit_context.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 "content/browser/in_process_webkit/webkit_context.h"
 
 #include "base/command_line.h"
 #include "content/browser/browser_thread.h"
 
 WebKitContext::WebKitContext(
@@ skipping 48 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::WEBKIT, FROM_HERE,
         NewRunnableMethod(this, &WebKitContext::DeleteDataModifiedSince,
                           cutoff));
     return;
   }
 
   dom_storage_context_->DeleteDataModifiedSince(cutoff);
 }
 
+void WebKitContext::DeleteSessionOnlyData() {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::WEBKIT)) {
+    BrowserThread::PostTask(
+        BrowserThread::WEBKIT, FROM_HERE,
+        NewRunnableMethod(this, &WebKitContext::DeleteSessionOnlyData));
+    return;
+  }
+
+  dom_storage_context_->DeleteSessionOnlyData();
+}
 
 void WebKitContext::DeleteSessionStorageNamespace(
     int64 session_storage_namespace_id) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::WEBKIT)) {
     BrowserThread::PostTask(
         BrowserThread::WEBKIT, FROM_HERE,
         NewRunnableMethod(this, &WebKitContext::DeleteSessionStorageNamespace,
                           session_storage_namespace_id));
     return;
   }
 
   dom_storage_context_->DeleteSessionStorageNamespace(
       session_storage_namespace_id);
 }