Merging to M42

Merging to M42
Add Segoe UI and its set of linked fonts to the font back list on Windows.

This is to attempt to fallback to a font which could help render text on Windows installations where the
default font is a raster font like System, etc.

Segoe UI provides fallbacks for Korean, Japanese, Chinese, Armenian, etc.

While this would not cover all cases, it is a reasonable addition.

BUG=467459
TEST=Install Windows 7 Korean edition. Change the system font to system. Run Chrome without this fix. Navigate to some korean websites. Observe that the tab title shows up empty. With this fix the title should render correctly.

Review URL: https://codereview.chromium.org/1009533003

TBR=msw

Cr-Commit-Position: refs/heads/master@{#321077}
(cherry picked from commit 4ceae8dcde9e2f60577681fe747bbbb7ce017d3d)

Committed: https://chromium.googlesource.com/chromium/src/+/82b677007209a0e2e1a21599a6c316327488a112

[ananta, 2015-03-21 01:36:42]

ananta@chromium.org changed reviewers:
+ msw@chromium.org

[ananta, 2015-03-21 01:39:53]

Committed patchset #1 (id:1) manually as
82b677007209a0e2e1a21599a6c316327488a112 (presubmit successful).

[msw, 2015-03-21 02:51:56]

msw@chromium.org changed reviewers:
+ asvitkine@chromium.org, scottmg@chromium.org

[msw, 2015-03-21 02:51:56]

+asvitkine and scottmg, who actually approved the original patch.
I'm disappointed that the underlying defect was never uncovered, and this had
little time to bake on Canary before merging to stable, but I suppose this is a
reasonable workaround for now... I hope we'll find a better mid-/long-term fix.
lgtm.