Migrate the IndexedDB backend from Blink to Chromium

content/common/indexed_db/indexed_db_param_traits.cc

Index: content/common/indexed_db/indexed_db_param_traits.cc
diff --git a/content/common/indexed_db/indexed_db_param_traits.cc b/content/common/indexed_db/indexed_db_param_traits.cc
index 8593f752fedca025574b893ad40bb2dd782a3d8f..e11ecb6c215c2aa1b43daa7d121353ca95791411 100644
--- a/content/common/indexed_db/indexed_db_param_traits.cc
+++ b/content/common/indexed_db/indexed_db_param_traits.cc
@@ -36,8 +36,7 @@ void ParamTraits<IndexedDBKey>::Write(Message* m, const param_type& p) {
     case WebIDBKey::InvalidType:
     case WebIDBKey::NullType:
       return;
-    default:
-      // This is a placeholder for WebKit::WebIDBKey::MinType
+    case WebIDBKey::MinType:
       NOTREACHED();
       return;
   }
@@ -78,8 +77,7 @@ bool ParamTraits<IndexedDBKey>::Read(const Message* m,
     case WebIDBKey::NullType:
       *r = IndexedDBKey(web_type);
       return true;
-    default:
-      // This is a placeholder for WebKit::WebIDBKey::MinType
+    case WebIDBKey::MinType:
       NOTREACHED();
       return false;
   }