Send appropriate pseudo-headers in HTTP/2 CONNECT request.

Send appropriate pseudo-headers in HTTP/2 CONNECT request.

Change CreateSpdyHeadersFromHttpRequest() to use the appropriate pseudo-headers
in an HTTP/2 CONNECT request: ":authority" with mandatory port, no ":path", no
":scheme".

BUG=433784
Committed: https://crrev.com/6b996d532f7781fbc44cdecfba600a26d98d8d9a
Cr-Commit-Position: refs/heads/master@{#340872}

[Bence, 2015-07-28 17:17:34]

bnc@chromium.org changed reviewers:
+ rch@chromium.org

[Bence, 2015-07-28 17:17:35]

Ryan: PTAL.  Thanks.

[Ryan Hamilton, 2015-07-28 21:09:56]

lgtm

[Bence, 2015-07-29 10:47:26]

The CQ bit was checked by bnc@chromium.org

[commit-bot: I haz the power, 2015-07-29 10:47:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1257623004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1257623004/1

[commit-bot: I haz the power, 2015-07-29 10:51:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-29 10:52:53]

Patchset 1 (id:??) landed as
https://crrev.com/6b996d532f7781fbc44cdecfba600a26d98d8d9a
Cr-Commit-Position: refs/heads/master@{#340872}