Fix off-by-one in SpdyFramer.

Fix off-by-one in SpdyFramer.

Fix off-by-one in SpdyFramer::GetNumberRequiredContinuationFrames().

BUG=464748
Committed: https://crrev.com/3a80e999a73654103bce98e674932ee39e3db9dd
Cr-Commit-Position: refs/heads/master@{#319684}

[Bence, 2015-03-09 17:31:47]

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

[Bence, 2015-03-09 17:31:47]

Ryan, PTAL.  Thanks.

[Ryan Hamilton, 2015-03-09 17:50:08]

lgtm

https://codereview.chromium.org/989283002/diff/1/net/spdy/spdy_framer.cc
File net/spdy/spdy_framer.cc (right):

https://codereview.chromium.org/989283002/diff/1/net/spdy/spdy_framer.cc#newc...
net/spdy/spdy_framer.cc:2973: return (overflow - 1) / payload_size + 1;
Looks like this has not yet been fixed in google3's framer. Does this need to be
fixed there too?

[Bence, 2015-03-09 17:52:54]

The CQ bit was checked by bnc@chromium.org

[commit-bot: I haz the power, 2015-03-09 17:53:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/989283002/1

[commit-bot: I haz the power, 2015-03-09 18:07:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-09 18:08:24]

Patchset 1 (id:??) landed as
https://crrev.com/3a80e999a73654103bce98e674932ee39e3db9dd
Cr-Commit-Position: refs/heads/master@{#319684}