Revert "Migrate the IndexedDB backend from Blink to Chromium"

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index 2bf090d31e8f7a0845ec09dba98a85bca8c2051c..22e2e5302eb7d3aadbe3c7938175188b57c63fda 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -363,9 +363,8 @@ RendererWebKitPlatformSupportImpl::createLocalStorageNamespace(
 
 WebIDBFactory* RendererWebKitPlatformSupportImpl::idbFactory() {
   if (!web_idb_factory_) {
-    if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess) &&
-        !CommandLine::ForCurrentProcess()->HasSwitch(switches::kNewIndexedDB))
-        web_idb_factory_.reset(WebIDBFactory::create());
+    if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess))
+      web_idb_factory_.reset(WebIDBFactory::create());
     else
       web_idb_factory_.reset(new RendererWebIDBFactoryImpl());
   }