IndexedDB: Add --level-db flag, and pipe through to WebIDBFactory::open.

content/common/content_switches.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/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 78 matching lines @@
 // Extra command line options for launching the GPU process (normally used
 // for debugging). Use like renderer-cmd-prefix.
 const char kGpuLauncher[]                   = "gpu-launcher";
 
 // Makes this process a GPU sub-process.
 const char kGpuProcess[]                    = "gpu-process";
 
 // Causes the GPU process to display a dialog on launch.
 const char kGpuStartupDialog[]              = "gpu-startup-dialog";
 
+// Use LevelDB as back-end for Indexed Database API.
+const char kLevelDBIndexedDatabase[]        = "indexeddb-use-leveldb";
+
 // Load an NPAPI plugin from the specified path.
 const char kLoadPlugin[]                    = "load-plugin";
 
 // Sets the minimum log level. Valid values are from 0 to 3:
 // INFO = 0, WARNING = 1, LOG_ERROR = 2, LOG_FATAL = 3.
 const char kLoggingLevel[]                  = "log-level";
 
 // Make plugin processes log their sent and received messages to VLOG(1).
 const char kLogPluginMessages[]             = "log-plugin-messages";
 
@@ skipping 110 matching lines @@
 
 // Causes the process to run as a worker subprocess.
 const char kWorkerProcess[]                 = "worker";
 
 // The prefix used when starting the zygote process. (i.e. 'gdb --args')
 const char kZygoteCmdPrefix[]               = "zygote-cmd-prefix";
 
 // Causes the process to run as a renderer zygote.
 const char kZygoteProcess[]                 = "zygote";
 }  // namespace switches