DevTools: Profiler domain refactoring: encode timestamps as deltas.

DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947
Committed: https://crrev.com/68666c0876081db75338384d7b76f0b5fb84473e
Cr-Commit-Position: refs/heads/master@{#413332}

[alph, 2016-08-18 22:16:30]

alph@chromium.org changed reviewers:
+ dgozman@chromium.org, paulirish@chromium.org, pfeldman@chromium.org

[alph, 2016-08-18 22:56:14]

The CQ bit was checked by alph@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-18 22:57:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[dgozman, 2016-08-19 00:40:33]

Description was changed from

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.
==========

to

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947
==========

[dgozman, 2016-08-19 00:45:12]

lgtm

https://codereview.chromium.org/2262543002/diff/1/third_party/WebKit/Source/d...
File third_party/WebKit/Source/devtools/front_end/sdk/CPUProfileDataModel.js
(right):

https://codereview.chromium.org/2262543002/diff/1/third_party/WebKit/Source/d...
third_party/WebKit/Source/devtools/front_end/sdk/CPUProfileDataModel.js:53:
this._compatibilityConversionHeadToNodes(profile);
Let's call this in |isLegacyFormat| block?

[commit-bot: I haz the power, 2016-08-19 01:24:52]

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

[commit-bot: I haz the power, 2016-08-19 01:24:53]

Dry run: This issue passed the CQ dry run.

[alph, 2016-08-20 01:51:10]

https://codereview.chromium.org/2262543002/diff/1/third_party/WebKit/Source/d...
File third_party/WebKit/Source/devtools/front_end/sdk/CPUProfileDataModel.js
(right):

https://codereview.chromium.org/2262543002/diff/1/third_party/WebKit/Source/d...
third_party/WebKit/Source/devtools/front_end/sdk/CPUProfileDataModel.js:53:
this._compatibilityConversionHeadToNodes(profile);
On 2016/08/19 00:45:12, dgozman wrote:
> Let's call this in |isLegacyFormat| block?

Done.

[alph, 2016-08-20 01:54:32]

The CQ bit was checked by alph@chromium.org

[alph, 2016-08-20 01:54:33]

The patchset sent to the CQ was uploaded after l-g-t-m from dgozman@chromium.org
Link to the patchset: https://codereview.chromium.org/2262543002/#ps20001
(title: "4 landing")

[commit-bot: I haz the power, 2016-08-20 01:55:11]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-20 03:12:31]

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

[commit-bot: I haz the power, 2016-08-20 03:12:32]

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

[alph, 2016-08-20 05:05:29]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2016-08-20 05:05:38]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-20 06:20:49]

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

[commit-bot: I haz the power, 2016-08-20 06:20:50]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[alph, 2016-08-20 09:55:32]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2016-08-20 09:55:39]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-20 10:26:32]

Description was changed from

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947
==========

to

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947
==========

[commit-bot: I haz the power, 2016-08-20 10:26:33]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-08-20 10:28:12]

Description was changed from

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947
==========

to

==========
DevTools: Profiler domain refactoring: encode timestamps as deltas.

The CL makes CPUProfile encode sample timestamps as deltas, which makes the
representation more compact.
startTime and endTime are represented in microseconds rather than seconds.

BUG=635947

Committed: https://crrev.com/68666c0876081db75338384d7b76f0b5fb84473e
Cr-Commit-Position: refs/heads/master@{#413332}
==========

[commit-bot: I haz the power, 2016-08-20 10:28:13]

Patchset 2 (id:??) landed as
https://crrev.com/68666c0876081db75338384d7b76f0b5fb84473e
Cr-Commit-Position: refs/heads/master@{#413332}