Fix regex to parse Variations UI override strings

Fix regex to parse Variations UI override strings

Regex macro used to parse the UI override strings does not work for the
generation enabled. This CL adds support to handle the pragma directive
present in #define macro format.

BUG=611273
Review-Url: https://codereview.chromium.org/1969243002
Cr-Commit-Position: refs/heads/master@{#393295}
(cherry picked from commit e60a3b28edd120d48777c7bd16b5b8e9793e4d57)

Committed: https://chromium.googlesource.com/chromium/src/+/ab7b10c36b9f79b8ae73f5ec9d2376640f6a31b3

[tbansal1, 2016-05-13 18:24:10]

Description was changed from

==========
Fix regex to parse Variations UI override strings

Regex macro used to parse the UI override strings does not work for the
generation enabled. This CL adds support to handle the pragma directive
present in #define macro format.

BUG=611273

Review-Url: https://codereview.chromium.org/1969243002
Cr-Commit-Position: refs/heads/master@{#393295}
(cherry picked from commit e60a3b28edd120d48777c7bd16b5b8e9793e4d57)
==========

to

==========
Fix regex to parse Variations UI override strings

Regex macro used to parse the UI override strings does not work for the
generation enabled. This CL adds support to handle the pragma directive
present in #define macro format.

BUG=611273

Review-Url: https://codereview.chromium.org/1969243002
Cr-Commit-Position: refs/heads/master@{#393295}
(cherry picked from commit e60a3b28edd120d48777c7bd16b5b8e9793e4d57)

Committed:
https://chromium.googlesource.com/chromium/src/+/ab7b10c36b9f79b8ae73f5ec9d23...
==========

[tbansal1, 2016-05-13 18:24:11]

Committed patchset #1 (id:1) manually as
ab7b10c36b9f79b8ae73f5ec9d2376640f6a31b3.