Add support for matching query parameters in URLMatcher

This CL modifies the url_matcher to support matching query key=value pattern.

BUG=349997

Review URL: https://codereview.chromium.org/219613002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263230 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed