base/json: Get rid of an old TODO that doesn't apply anymore.

The issue seems to be fixed as the ctor of JSONReader is public and there is
a public static Read() function.

BUG=None
TEST=None

R=aa@chromium.org,tony@chromium.org

Review URL: http://codereview.chromium.org/7794003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98854 0039d316-1c4b-4281-b951-d872f2087c98

base/json/json_reader.h

@@ -24,9 +24,6 @@
 // TODO(tc): Add a parsing option to to relax object keys being wrapped in
 //   double quotes
 // TODO(tc): Add an option to disable comment stripping
-// TODO(aa): Consider making the constructor public and the static Read() method
-// only a convenience for the common uses with more complex configuration going
-// on the instance.
 
 #ifndef BASE_JSON_JSON_READER_H_
 #define BASE_JSON_JSON_READER_H_