Make LocalStorage persistent

chrome/renderer/renderer_webkitclient_impl.cc

 // Copyright (c) 2009 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/renderer/renderer_webkitclient_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 30 matching lines @@
 }
 
 WebKit::WebSandboxSupport* RendererWebKitClientImpl::sandboxSupport() {
 #if defined(OS_WIN) || defined(OS_LINUX)
   return &sandbox_support_;
 #else
   return NULL;
 #endif
 }
 
+bool RendererWebKitClientImpl::sandboxEnabled() {
+  // As explained in WebKitClient.h, this function is used to decide whether to
+  // allow file system operations to come out of WebKit or not.  Even if the
+  // sandbox is disabled, there's no reason why the code should act any
+  // differently...unless we're in single process mode.  In which case, we have
+  // no other choice.  WebKitClient.h discourages using this switch unless
+  // absolutely necessary, so hopefully we won't end up with too many code paths
+  // being different in single-process mode.
+  return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
+}
+
 bool RendererWebKitClientImpl::getFileSize(const WebString& path,
                                            long long& result) {
   if (RenderThread::current()->Send(new ViewHostMsg_GetFileSize(
       FilePath(webkit_glue::WebStringToFilePathString(path)),
       reinterpret_cast<int64*>(&result)))) {
     return result >= 0;
   } else {
     result = -1;
     return false;
   }
@@ skipping 178 matching lines @@
 long long RendererWebKitClientImpl::databaseGetFileSize(
   const WebString& file_name) {
   DBMessageFilter* db_message_filter = DBMessageFilter::GetInstance();
   int message_id = db_message_filter->GetUniqueID();
   return db_message_filter->SendAndWait(
     new ViewHostMsg_DatabaseGetFileSize(
       FilePath(webkit_glue::WebStringToFilePathString(file_name)),
       message_id),
     message_id, 0LL);
 }