IDB: Support createIndex/deleteIndex
Actual createIndex support in the front-end actually also uses openCursor, so index support is still a wildcard until cursor support is in.
In radar as <rdar://problem/15779642>
Created attachment 222154 [details]
Attachment 222154 [details] did not pass style-queue:
ERROR: Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:457: Place brace on its own line for function definitions. [whitespace/braces] 
ERROR: Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:491: Place brace on its own line for function definitions. [whitespace/braces] 
Total errors found: 2 in 5 files
If any of these errors are false positives, please file a bug against check-webkit-style.