color: Fix accidental partial color conversion

color: Fix accidental partial color conversion

For color spaces that can't be represented by an matrix plus analytic
transfer function, we need to ensure that we don't accidentally enable
color conversion when the destination is undefined.

Tests may be disruptive and are in a separate patch.

BUG=694191
R=hubbe@chromium.org

Review-Url: https://codereview.chromium.org/2712533002 .
Cr-Commit-Position: refs/heads/master@{#451858}
(cherry picked from commit 1d14a77942910d9f60af73c674809b1f82de3847)

Review-Url: https://codereview.chromium.org/2705223003 .
Cr-Commit-Position: refs/branch-heads/3018@{#3}
Cr-Branched-From: 5e7216844858ad1d08a70ac7aeef88547db2be7f-refs/heads/master@{#451537}
Committed: https://chromium.googlesource.com/chromium/src/+/1e5ed6bb29f1884453c279a4427a94054bf343f2

[ccameron, 2017-02-22 00:53:43]

Description was changed from

==========
color: Fix accidental partial color conversion

For color spaces that can't be represented by an matrix plus analytic
transfer function, we need to ensure that we don't accidentally enable
color conversion when the destination is undefined.

Tests may be disruptive and are in a separate patch.

BUG=694191
R=hubbe@chromium.org

Review-Url: https://codereview.chromium.org/2712533002 .
Cr-Commit-Position: refs/heads/master@{#451858}
(cherry picked from commit 1d14a77942910d9f60af73c674809b1f82de3847)
==========

to

==========
color: Fix accidental partial color conversion

For color spaces that can't be represented by an matrix plus analytic
transfer function, we need to ensure that we don't accidentally enable
color conversion when the destination is undefined.

Tests may be disruptive and are in a separate patch.

BUG=694191
R=hubbe@chromium.org

Review-Url: https://codereview.chromium.org/2712533002 .
Cr-Commit-Position: refs/heads/master@{#451858}
(cherry picked from commit 1d14a77942910d9f60af73c674809b1f82de3847)

Review-Url: https://codereview.chromium.org/2705223003 .
Cr-Commit-Position: refs/branch-heads/3018@{#3}
Cr-Branched-From:
5e7216844858ad1d08a70ac7aeef88547db2be7f-refs/heads/master@{#451537}
Committed:
https://chromium.googlesource.com/chromium/src/+/1e5ed6bb29f1884453c279a4427a...
==========

[ccameron, 2017-02-22 00:53:45]

Committed patchset #1 (id:1) manually as
1e5ed6bb29f1884453c279a4427a94054bf343f2.