[gcc 4.8 build-fix] Remove duplicate line for friend declaration in print_web_view_helper.h

[gcc 4.8 build-fix] Remove duplicate line for friend declaration in print_web_view_helper.h

Compilation on linux using gcc 4.8 toolchain fails for the following duplicate statement.

FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperTest, OnPrintPages):
error: ‘printing::PrintWebViewHelperTest_DISABLED_OnPrintPages_Test’ is already a friend of ‘printing::PrintWebViewHelper’ [-Werror]

NOTRY=true

Committed: https://crrev.com/e17158e079e4e51686d001ac288d9066c1ae310a
Cr-Commit-Position: refs/heads/master@{#294122}

[vivekg, 2014-09-10 03:11:58]

vivekg@chromium.org changed reviewers:
+ vitalybuka@chromium.org, vivekg@chromium.org

[vivekg, 2014-09-10 03:11:59]

PTAL, thanks.

[vivekg, 2014-09-10 04:55:30]

The CQ bit was checked by vivekg@chromium.org

[commit-bot: I haz the power, 2014-09-10 04:55:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vivek.vg@samsung.com/553313002/1

[Vitaly Buka (NO REVIEWS), 2014-09-10 05:55:29]

lgtm

[vivekg, 2014-09-10 05:57:58]

On 2014/09/10 at 05:55:29, vitalybuka wrote:
> lgtm

thank you!

[vivekg, 2014-09-10 06:24:32]

The CQ bit was unchecked by vivekg@chromium.org

[vivekg, 2014-09-10 06:24:51]

The CQ bit was checked by vivekg@chromium.org

[commit-bot: I haz the power, 2014-09-10 06:26:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/vivek.vg@samsung.com/553313002/1

[commit-bot: I haz the power, 2014-09-10 06:27:54]

Committed patchset #1 (id:1) as 28246815a21f41e97643e8b182e90674e46c7ad9

[commit-bot: I haz the power, 2014-09-10 06:34:28]

Patchset 1 (id:??) landed as
https://crrev.com/e17158e079e4e51686d001ac288d9066c1ae310a
Cr-Commit-Position: refs/heads/master@{#294122}