[webapi][XWALK-2976] Modify 3 reference files

Because some words missing in these 3 reference files.
Impacted tests(approved):new 0,update 4,delete 0
Unit test platform:[android]
Unit test result summary:pass 0,fail 4,block 0
Merge pull request #1263 from chenxix/webapi/reapir-csp

[webapi][XWALK-2976] Update 3 reference files