[Status Report] Migration to new Mojo types - 12/15/2019

[Mario Sanchez Prada]

Hi all,

It seems this is the last report of the year (there will be more in January, though, but probably not many more ;-)), so here we are again reporting on the progress of this task... which is nearly done!

As you can check in the table at the bottom, Blink is 100% done now, //content is at 99.81% and the other directories altogether are at the 97.93% mark (and these include //components/arc, which can't be migrated now - see [2]), so almost there! Additionally, we also landed a small update to the PRESUBMIT.py script [3] so that we now raise errors when old types are introduced in Blink and warnings everywhere else but in //components/arc (whose migration needs to be agreed with the folks maintaining libchrome for Android, see [2] again).

Last, it's worth noting that, similarly to what we did in last report for Blink only, all numbers here now take into account the false positives that the grep query would find, which have been now subtracted from the numbers throughout the whole spreadsheet also for //content and "others" now, thanks to the efforts of Julie who did the exhaustive search needed and updated the spreadsheet (see more details at [1])

Now I leave you with the graph reports below... Happy holidays and happy new year in advance! :-)

	10/31/2019	11/7/2019	11/15/2019	11/23/2019	11/30/2019	12/15/2019
Blink	3	3	3	3	1	0
Content	184	159	144	93	25	3
Other	434	360	320	251	121	58
TOTAL	621	522	467	347	147	61

	10/31/2019	11/7/2019	11/15/2019	11/23/2019	11/30/2019	12/15/2019
common/associated_interfaces	0	0	0	0	0	0
common/loader	0	0	0	0	0	0
public/common	0	0	0	0	0	0
public/platform	0	0	0	0	0	0
renderer/controller	0	0	0	0	0	0
renderer/core	2	2	2	2	0	0
renderer/modules	0	0	0	0	0	0
renderer/platform	1	1	1	1	1	0
tools/blinkpy	0	0	0	0	0	0
TOTAL	3	3	3	3	1	0

	10/31/2019	11/7/2019	11/15/2019	11/23/2019	11/30/2019	12/15/2019
app_shim_remote_cocoa	0	0	0	0	0	0
browser	143	122	110	64	15	2
child	0	0	0	0	0	0
common	2	1	1	1	1	1
gpu	0	0	0	0	0	0
ppapi_plugin	0	0	0	0	0	0
public	14	14	13	9	8	0
renderer	20	17	15	14	1	0
shell	0	0	0	0	0	0
test	5	5	5	5	0	0
utility	0	0	0	0	0	0
TOTAL	184	159	144	93	25	3

	10/31/2019	11/7/2019	11/15/2019	11/23/2019	11/30/2019	12/15/2019
android_webview	6	5	4	1	0	0
ash	4	4	4	4	4	3
cc	1	1	1	1	1	0
chrome	71	66	49	42	23	10
chromecast	17	15	14	13	12	0
chromeos	0	0	0	0	1	0
components	40	27	23	21	20	11
device	0	0	0	0	0	0
docs	2	2	2	2	2	2
extensions	19	18	14	13	0	0
fuchsia	0	0	0	0	0	0
google_apis	4	1	1	1	1	0
gpu	0	0	0	0	0	0
headless	1	1	1	1	0	0
ios	2	2	2	2	2	2
ipc	15	15	15	14	14	6
jingle	1	0	0	0	0	0
media	46	25	15	4	3	0
mojo	3	4	3	3	3	3
remoting	0	0	0	0	0	0
sandbox	0	0	0	0	0	0
services	192	172	171	128	34	21
skia	0	0	0	0	0	0
storage	1	0	0	0	0	0
ui	8	1	0	0	0	0
url	0	0	0	0	0	0
TOTAL	434	360	320	251	121	58

Project Completion (%)
Blink	100.00%
Content	99.81%
Other	97.93%
Global	98.73%

Find more detail in the base spreadsheet at:
https://docs.google.com/spreadsheets/d/1khYVrfnN74RSDqqXgCFlG9fI89IKWA9J32Ln_2ZcTaU

Thanks,
Mario

[1] https://groups.google.com/a/chromium.org/d/msg/platform-architecture-dev/9vuGL48Lxik/6YscqLI5AwAJ
[2] https://groups.google.com/a/chromium.org/d/msg/chromium-mojo/BRK0Xeu7bgQ/LWL2ELAOAwAJ
[3] https://chromium-review.googlesource.com/c/chromium/src/+/1961908

[Kentaro Hara]

Thank you very much for sending the impressive report at the end of 2019 :)

Happy holidays!

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Kentaro Hara, Tokyo, Japan

[Dave Tapuska]

I think we probably are at the point we need bugs for the problematic cases. Do we have a list of bugs for those?

dave.

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[Mario Sanchez Prada]

Hi Dave,

Sorry for the late reply. I think we can start filing bugs blocking crbug.com/955171, if that's ok?

For now I've only filed one bug to track the issue with //components/arc, where I wrote a summary of the discussion from the ML at [1], hoping we can better get feedback from the Android/libchrome folks that way (please feel free to add anyone that you think might help to Cc). See it at crbug.com1035484.

Will file more bugs as they are needed, of course.

Thanks,
Mario

[1] https://groups.google.com/a/chromium.org/d/msg/chromium-mojo/BRK0Xeu7bgQ/LWL2ELAOAwAJ

To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/chromium-mojo/CAHgVhZUhf5GHLp_XzShVE8HHy0DNiEeOs_6OpqFRBsaHg-QtcQ%40mail.gmail.com.