Update gyp files with json parser.

Review URL: http://codereview.chromium.org/7066019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/gyp/v8.gyp

@@ -484,6 +484,8 @@
             '../../src/inspector.h',
             '../../src/interpreter-irregexp.cc',
             '../../src/interpreter-irregexp.h',
+            '../../src/json-parser.cc',
+            '../../src/json-parser.h',
             '../../src/jsregexp.cc',
             '../../src/jsregexp.h',
             '../../src/isolate.cc',