Remove all the indexeddb-related utility process code

content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc

Index: content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
diff --git a/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc b/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
index 2f526fdf10b7d56a382c8a87da97a009a5f913f1..a97167e57db903386a6b90db9cf715b10462c775 100644
--- a/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
+++ b/content/ppapi_plugin/ppapi_webkitplatformsupport_impl.cc
@@ -259,19 +259,3 @@ int PpapiWebKitPlatformSupportImpl::databaseDeleteFile(
   NOTREACHED();
   return 0;
 }
-
-void PpapiWebKitPlatformSupportImpl::createIDBKeysFromSerializedValuesAndKeyPath(
-    const WebKit::WebVector<WebKit::WebSerializedScriptValue>& values,
-    const WebKit::WebIDBKeyPath& keyPath,
-    WebKit::WebVector<WebKit::WebIDBKey>& keys) {
-  NOTREACHED();
-}
-
-WebKit::WebSerializedScriptValue
-PpapiWebKitPlatformSupportImpl::injectIDBKeyIntoSerializedValue(
-    const WebKit::WebIDBKey& key,
-    const WebKit::WebSerializedScriptValue& value,
-    const WebKit::WebIDBKeyPath& keyPath) {
-  NOTREACHED();
-  return WebKit::WebSerializedScriptValue();
-}