[Fetch] Support various operations after reading data partially.

[Fetch] Support various operations after reading data partially.

As we agreed to support various operations such as cache.put after reading
data partially through the body stream[1], let's support it.

1: https://github.com/slightlyoff/ServiceWorker/issues/452
BUG=435393
R=horo@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=192228

[yhirano, 2015-03-19 07:27:45]

This CL depends on https://codereview.chromium.org/1004623007/ only for the
layout test.

[horo, 2015-03-20 02:28:54]

lgtm with nits

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/fetch/Bo...
File Source/modules/fetch/Body.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/fetch/Bo...
Source/modules/fetch/Body.cpp:184: if (m_drainingStreamBuffer) {
nit: we can remove brackets.

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
File Source/modules/serviceworkers/Cache.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
Source/modules/serviceworkers/Cache.cpp:375: if (buffer == response->buffer() &&
response->streamAccessed()) {
nit: we can remove brackets.

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
File Source/modules/serviceworkers/RespondWithObserver.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
Source/modules/serviceworkers/RespondWithObserver.cpp:206: if (buffer ==
response->buffer() && response->streamAccessed()) {
nit: we can remove brackets.

[yhirano, 2015-03-20 03:24:50]

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/fetch/Bo...
File Source/modules/fetch/Body.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/fetch/Bo...
Source/modules/fetch/Body.cpp:184: if (m_drainingStreamBuffer) {
On 2015/03/20 02:28:54, horo wrote:
> nit: we can remove brackets.

Done.

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
File Source/modules/serviceworkers/Cache.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
Source/modules/serviceworkers/Cache.cpp:375: if (buffer == response->buffer() &&
response->streamAccessed()) {
On 2015/03/20 02:28:54, horo wrote:
> nit: we can remove brackets.

Done.

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
File Source/modules/serviceworkers/RespondWithObserver.cpp (right):

https://codereview.chromium.org/1018243002/diff/20001/Source/modules/servicew...
Source/modules/serviceworkers/RespondWithObserver.cpp:206: if (buffer ==
response->buffer() && response->streamAccessed()) {
On 2015/03/20 02:28:54, horo wrote:
> nit: we can remove brackets.

Done.

[yhirano, 2015-03-20 03:24:53]

The CQ bit was checked by yhirano@chromium.org

[yhirano, 2015-03-20 03:24:54]

The patchset sent to the CQ was uploaded after l-g-t-m from horo@chromium.org
Link to the patchset: https://codereview.chromium.org/1018243002/#ps40001
(title: " ")

[commit-bot: I haz the power, 2015-03-20 03:25:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1018243002/40001

[commit-bot: I haz the power, 2015-03-20 06:18:34]

Committed patchset #3 (id:40001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=192228