Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary

Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary (patchset #7 id:180001 of https://codereview.chromium.org/2869823003/ )

Reason for revert:
Likely causing failures on Linux ChromiumOS MSan Tests.

Original issue's description:
> [VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary
> 
> For a gesture event, we want to know whether the source touch event was handled
> blocking or non-blocking, and we can flush the vsync queue immediately if it was
> blocking.
> 
> This patch will help avoid regression in |first_gesture_scroll_update_latency|
> in |smoothness.tough_scrolling_cases|.
> 
> After CL the process would be:
>   1. Browser -> Renderer: Send touch
>   2. Renderer -> Browser: Touch Ack
>   3. Browser: Set |is_source_touch_event_set_non_blocking == true| if the ack was 
>     |INPUT_EVENT_ACK_STATE_SET_NON_BLOCKING*|
>   4. Browser -> Renderer: Send generated gesture events with 
>     |is_source_touch_event_set_non_blocking| bit
>   5. Renderer: Flush vsync queue if |is_source_touch_event_set_non_blocking == true|.
> 
> BUG=704732
> 
> Review-Url: https://codereview.chromium.org/2869823003
> Cr-Commit-Position: refs/heads/master@{#480202}
> Committed: https://chromium.googlesource.com/chromium/src/+/80553a96dc6712a24a7d0a3e3074d5b7f5f65338

TBR=dtapuska@chromium.org,sadrul@chromium.org,pfeldman@chromium.org,thestig@chromium.org,chongz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=704732
Review-Url: https://codereview.chromium.org/2943883002
Cr-Commit-Position: refs/heads/master@{#480281}
Committed: https://chromium.googlesource.com/chromium/src/+/07f0acbacf4853d4cfe56a134a601576fd547cf0

[dcheng, 2017-06-17 07:36:41]

The CQ bit was checked by dcheng@chromium.org

[dcheng, 2017-06-17 07:36:41]

Created Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync
queue if necessary

[commit-bot: I haz the power, 2017-06-17 07:36:52]

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, 2017-06-17 07:37:33]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497685001315820, "parent_rev":
"09ecdc18bd4cc2fdb6b5af94b0f0736616a53bb0", "commit_rev":
"07f0acbacf4853d4cfe56a134a601576fd547cf0"}

[commit-bot: I haz the power, 2017-06-17 07:37:47]

Description was changed from

==========
Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync queue
if necessary (patchset #7 id:180001 of
https://codereview.chromium.org/2869823003/ )

Reason for revert:
Likely causing failures on Linux ChromiumOS MSan Tests.

Original issue's description:
> [VSync Queue] Plug touch ack to gesture events and flush vsync queue if
necessary
> 
> For a gesture event, we want to know whether the source touch event was
handled
> blocking or non-blocking, and we can flush the vsync queue immediately if it
was
> blocking.
> 
> This patch will help avoid regression in |first_gesture_scroll_update_latency|
> in |smoothness.tough_scrolling_cases|.
> 
> After CL the process would be:
>   1. Browser -> Renderer: Send touch
>   2. Renderer -> Browser: Touch Ack
>   3. Browser: Set |is_source_touch_event_set_non_blocking == true| if the ack
was 
>     |INPUT_EVENT_ACK_STATE_SET_NON_BLOCKING*|
>   4. Browser -> Renderer: Send generated gesture events with 
>     |is_source_touch_event_set_non_blocking| bit
>   5. Renderer: Flush vsync queue if |is_source_touch_event_set_non_blocking ==
true|.
> 
> BUG=704732
> 
> Review-Url: https://codereview.chromium.org/2869823003
> Cr-Commit-Position: refs/heads/master@{#480202}
> Committed:
https://chromium.googlesource.com/chromium/src/+/80553a96dc6712a24a7d0a3e3074...

TBR=dtapuska@chromium.org,sadrul@chromium.org,pfeldman@chromium.org,thestig@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=704732
==========

to

==========
Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync queue
if necessary (patchset #7 id:180001 of
https://codereview.chromium.org/2869823003/ )

Reason for revert:
Likely causing failures on Linux ChromiumOS MSan Tests.

Original issue's description:
> [VSync Queue] Plug touch ack to gesture events and flush vsync queue if
necessary
> 
> For a gesture event, we want to know whether the source touch event was
handled
> blocking or non-blocking, and we can flush the vsync queue immediately if it
was
> blocking.
> 
> This patch will help avoid regression in |first_gesture_scroll_update_latency|
> in |smoothness.tough_scrolling_cases|.
> 
> After CL the process would be:
>   1. Browser -> Renderer: Send touch
>   2. Renderer -> Browser: Touch Ack
>   3. Browser: Set |is_source_touch_event_set_non_blocking == true| if the ack
was 
>     |INPUT_EVENT_ACK_STATE_SET_NON_BLOCKING*|
>   4. Browser -> Renderer: Send generated gesture events with 
>     |is_source_touch_event_set_non_blocking| bit
>   5. Renderer: Flush vsync queue if |is_source_touch_event_set_non_blocking ==
true|.
> 
> BUG=704732
> 
> Review-Url: https://codereview.chromium.org/2869823003
> Cr-Commit-Position: refs/heads/master@{#480202}
> Committed:
https://chromium.googlesource.com/chromium/src/+/80553a96dc6712a24a7d0a3e3074...

TBR=dtapuska@chromium.org,sadrul@chromium.org,pfeldman@chromium.org,thestig@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=704732

Review-Url: https://codereview.chromium.org/2943883002
Cr-Commit-Position: refs/heads/master@{#480281}
Committed:
https://chromium.googlesource.com/chromium/src/+/07f0acbacf4853d4cfe56a134a60...
==========

[commit-bot: I haz the power, 2017-06-17 07:37:50]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/07f0acbacf4853d4cfe56a134a60...