Check out this link, it will discuss your problem, and this may help you.
The db file path for chrome and chrome in the viewport looks like ...
C:\Users\<username>\AppData\Local\Chromium\User Data\Default\Application Cache\Index C:\Users\<username>\AppData\Local\Google\Chrome\User Data\Default\Application Cache
The sql statement is executed here ...
insert into Quota values("http://127.0.0.1:8008/", 100000000);
You can run this command using the sqlite3 command line tool available here http://www.sqlite.org/download.html . Put any source url there is more storage space.
Talha source share