Add JSON.pm to third_party

tools/checklicenses/checklicenses.py

Index: tools/checklicenses/checklicenses.py
diff --git a/tools/checklicenses/checklicenses.py b/tools/checklicenses/checklicenses.py
index bc1a2af2a147c41007bd552006bd98c59a8954e6..20fb91bb192ae84bb22e666f049070f16cbaeddf 100755
--- a/tools/checklicenses/checklicenses.py
+++ b/tools/checklicenses/checklicenses.py
@@ -238,6 +238,9 @@ PATH_SPECIFIC_WHITELISTED_LICENSES = {
     'third_party/jemalloc': [  # http://crbug.com/98302
         'UNKNOWN',
     ],
+    'third_party/JSON': [
+        'UNKNOWN',

[Paweł Hajdan Jr., 2013/06/05 03:04:23]

New files should have this resolved. The file has a license header - so we
should make licensecheck.pl recognize it.

[Lei Zhang, 2013/06/05 03:08:57]

Not all files being checked in have the license though.

[Nils Barth (inactive), 2013/06/07 09:10:13]

To follow up:
adding 'Perl' in general, and 'UNKNOWN' due to files with missing license.

+    ],
     'third_party/lcov': [  # http://crbug.com/98304
         'UNKNOWN',
     ],
@@ -381,6 +384,9 @@ PATH_SPECIFIC_WHITELISTED_LICENSES = {
     'third_party/tlslite': [
         'UNKNOWN',
     ],
+    'third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/autoinstalled': [

[Paweł Hajdan Jr., 2013/06/05 03:04:23]

Why is it here? I don't see this patch having anything to do with that
directory.

+        'GPL (v2 or later)',
+    ],
     'third_party/webdriver': [  # http://crbug.com/98590
         'UNKNOWN',
     ],