Do not depend on or try to configure pangocairo when use_pango == 0

Do not depend on or try to configure pangocairo when use_pango == 0

BUG=

Committed: https://crrev.com/97a0a6304f0f7fb4f111b034bcf038f0fc95422a
Cr-Commit-Position: refs/heads/master@{#311535}

[sfunkenhauser-google, 2015-01-13 22:45:22]

sfunkenhauser@google.com changed reviewers:
+ thakis@chromium.org

[sfunkenhauser-google, 2015-01-13 22:54:17]

sfunkenhauser@google.com changed required reviewers:
+ thakis@chromium.org

[Nico, 2015-01-13 22:55:50]

https://codereview.chromium.org/831453004/diff/1/build/linux/system.gyp
File build/linux/system.gyp (right):

https://codereview.chromium.org/831453004/diff/1/build/linux/system.gyp#newco...
build/linux/system.gyp:665: 'type': 'none',
Please keep the target available unconditionally, and only put all the
*_settings stuff inside the conditional. Then stuff can depend on tharget
pangocairo unconditionally, and it's an empty noop target in some configs.

[sfunkenhauser-google, 2015-01-14 17:13:59]

https://codereview.chromium.org/831453004/diff/1/build/linux/system.gyp
File build/linux/system.gyp (right):

https://codereview.chromium.org/831453004/diff/1/build/linux/system.gyp#newco...
build/linux/system.gyp:665: 'type': 'none',
On 2015/01/13 22:55:50, Nico wrote:
> Please keep the target available unconditionally, and only put all the
> *_settings stuff inside the conditional. Then stuff can depend on tharget
> pangocairo unconditionally, and it's an empty noop target in some configs.

Done.

[Nico, 2015-01-14 18:43:21]

lgtm

[sfunkenhauser-google, 2015-01-14 18:49:16]

The CQ bit was checked by sfunkenhauser@google.com

[commit-bot: I haz the power, 2015-01-14 18:50:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/831453004/20001

[commit-bot: I haz the power, 2015-01-14 19:56:44]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-14 19:58:46]

Patchset 2 (id:??) landed as
https://crrev.com/97a0a6304f0f7fb4f111b034bcf038f0fc95422a
Cr-Commit-Position: refs/heads/master@{#311535}