Add use counter for preload link headers

Add use counter for preload link headers

When adding use counters for link headers, preload was left out. This CL
fixes that historical mistake.

BUG=471199
Committed: https://crrev.com/0661feafc9a84f03b04dd3719b8aaa255dfaec63
Cr-Commit-Position: refs/heads/master@{#370666}

[Yoav Weiss, 2016-01-19 21:07:32]

yoav@yoav.ws changed reviewers:
+ japhet@chromium.org, mkwst@chromium.org

[Nate Chapin, 2016-01-20 18:52:22]

lgtm

[Yoav Weiss, 2016-01-20 18:53:18]

The CQ bit was checked by yoav@yoav.ws

[Yoav Weiss, 2016-01-20 18:54:16]

The CQ bit was unchecked by yoav@yoav.ws

[Yoav Weiss, 2016-01-20 21:15:35]

The CQ bit was checked by yoav@yoav.ws

[Yoav Weiss, 2016-01-20 21:15:35]

The patchset sent to the CQ was uploaded after l-g-t-m from japhet@chromium.org
Link to the patchset: https://codereview.chromium.org/1602203005/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2016-01-20 21:16:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1602203005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1602203005/20001

[commit-bot: I haz the power, 2016-01-20 22:07:39]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-01-20 22:07:40]

Try jobs failed on following builders:
  linux_chromium_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Yoav Weiss, 2016-01-20 22:58:35]

The CQ bit was checked by yoav@yoav.ws

[commit-bot: I haz the power, 2016-01-20 23:00:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1602203005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1602203005/20001

[commit-bot: I haz the power, 2016-01-21 00:08:29]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-01-21 00:08:29]

Failed to apply patch for third_party/WebKit/Source/core/frame/UseCounter.h:
While running git apply --index -3 -p1;
  error: patch failed: third_party/WebKit/Source/core/frame/UseCounter.h:974
  Falling back to three-way merge...
  Applied patch to 'third_party/WebKit/Source/core/frame/UseCounter.h' with
conflicts.
  U third_party/WebKit/Source/core/frame/UseCounter.h

Patch:       third_party/WebKit/Source/core/frame/UseCounter.h
Index: third_party/WebKit/Source/core/frame/UseCounter.h
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.h
b/third_party/WebKit/Source/core/frame/UseCounter.h
index
f5d4ed25b5ee274c4acae8367f4a21e072ac45bf..c68c6c2e4f64857056663107d6091cb4a2bd1631
100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.h
+++ b/third_party/WebKit/Source/core/frame/UseCounter.h
@@ -974,6 +974,7 @@ public:
         MediaDevicesEnumerateDevices = 1119,
         NonSecureSharedWorkerAccessedFromSecureContext = 1120,
         SecureSharedWorkerAccessedFromNonSecureContext = 1121,
+        LinkHeaderPreload = 1122,
 
         // Add new features immediately above this line. Don't change assigned
         // numbers of any item, and don't reuse removed slots.

[commit-bot: I haz the power, 2016-01-21 00:11:58]

The CQ bit was unchecked by commit-bot@chromium.org

[Yoav Weiss, 2016-01-21 10:01:27]

The CQ bit was checked by yoav@yoav.ws

[Yoav Weiss, 2016-01-21 10:01:28]

The patchset sent to the CQ was uploaded after l-g-t-m from japhet@chromium.org
Link to the patchset: https://codereview.chromium.org/1602203005/#ps40001
(title: "rebase")

[commit-bot: I haz the power, 2016-01-21 10:03:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1602203005/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1602203005/40001

[commit-bot: I haz the power, 2016-01-21 11:04:55]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-01-21 11:05:57]

Description was changed from

==========
Add use counter for preload link headers

When adding use counters for link headers, preload was left out. This CL
fixes that historical mistake.

BUG=471199
==========

to

==========
Add use counter for preload link headers

When adding use counters for link headers, preload was left out. This CL
fixes that historical mistake.

BUG=471199

Committed: https://crrev.com/0661feafc9a84f03b04dd3719b8aaa255dfaec63
Cr-Commit-Position: refs/heads/master@{#370666}
==========

[commit-bot: I haz the power, 2016-01-21 11:05:57]

Patchset 3 (id:??) landed as
https://crrev.com/0661feafc9a84f03b04dd3719b8aaa255dfaec63
Cr-Commit-Position: refs/heads/master@{#370666}