Revert of chrome/android: Push EventFilters into the Layout implementations.

Revert of chrome/android: Push EventFilters into the Layout implementations. (patchset #5 id:80001 of https://codereview.chromium.org/2774443002/ )

Reason for revert:
Made Android tabstrip completely unresponsive to touch.

BUG=705841
Original issue's description:
> chrome/android: Push EventFilters into the Layout implementations.
> 
> EventFilters are currently built by the LayoutManager and all gestures
> are routed through it to the active layout. This indirection is
> unnecessary since only the StackLayout requires gesture handling. This
> also ends up exposing public APIs on the Layouts making it difficult to
> follow the path for events from different sources (CompositorView vs
> the Toolbar).
> 
> This change pushes EventFilters deeper into the Layout implementations,
> so the Layouts directly consume touch events and generate gestures if
> necessary. Layout still has an API for swipe gestures coming from the
> toolbar.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2774443002
> Cr-Commit-Position: refs/heads/master@{#459980}
> Committed: https://chromium.googlesource.com/chromium/src/+/ef25f0df9d626028752de7d945d89abe15d39dfb

TBR=dtrainor@chromium.org,mdjones@chromium.org,khushalsagar@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2784463002
Cr-Commit-Position: refs/heads/master@{#460022}
Committed: https://chromium.googlesource.com/chromium/src/+/6cbf12a1814e63a869a21890199f3a7babf51867

[Matt Giuca, 2017-03-28 05:53:01]

The CQ bit was checked by mgiuca@chromium.org

[Matt Giuca, 2017-03-28 05:53:01]

Created Revert of chrome/android: Push EventFilters into the Layout
implementations.

[commit-bot: I haz the power, 2017-03-28 05:53:24]

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, 2017-03-28 05:54:57]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490680381518000, "parent_rev":
"75fe34fbf030a27e7be3b1b1365ba395a894e0e0", "commit_rev":
"6cbf12a1814e63a869a21890199f3a7babf51867"}

[commit-bot: I haz the power, 2017-03-28 05:55:40]

Description was changed from

==========
Revert of chrome/android: Push EventFilters into the Layout implementations.
(patchset #5 id:80001 of https://codereview.chromium.org/2774443002/ )

Reason for revert:
Made Android tabstrip completely unresponsive to touch.

BUG=705841

Original issue's description:
> chrome/android: Push EventFilters into the Layout implementations.
> 
> EventFilters are currently built by the LayoutManager and all gestures
> are routed through it to the active layout. This indirection is
> unnecessary since only the StackLayout requires gesture handling. This
> also ends up exposing public APIs on the Layouts making it difficult to
> follow the path for events from different sources (CompositorView vs
> the Toolbar).
> 
> This change pushes EventFilters deeper into the Layout implementations,
> so the Layouts directly consume touch events and generate gestures if
> necessary. Layout still has an API for swipe gestures coming from the
> toolbar.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2774443002
> Cr-Commit-Position: refs/heads/master@{#459980}
> Committed:
https://chromium.googlesource.com/chromium/src/+/ef25f0df9d626028752de7d945d8...

TBR=dtrainor@chromium.org,mdjones@chromium.org,khushalsagar@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
==========

to

==========
Revert of chrome/android: Push EventFilters into the Layout implementations.
(patchset #5 id:80001 of https://codereview.chromium.org/2774443002/ )

Reason for revert:
Made Android tabstrip completely unresponsive to touch.

BUG=705841

Original issue's description:
> chrome/android: Push EventFilters into the Layout implementations.
> 
> EventFilters are currently built by the LayoutManager and all gestures
> are routed through it to the active layout. This indirection is
> unnecessary since only the StackLayout requires gesture handling. This
> also ends up exposing public APIs on the Layouts making it difficult to
> follow the path for events from different sources (CompositorView vs
> the Toolbar).
> 
> This change pushes EventFilters deeper into the Layout implementations,
> so the Layouts directly consume touch events and generate gestures if
> necessary. Layout still has an API for swipe gestures coming from the
> toolbar.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2774443002
> Cr-Commit-Position: refs/heads/master@{#459980}
> Committed:
https://chromium.googlesource.com/chromium/src/+/ef25f0df9d626028752de7d945d8...

TBR=dtrainor@chromium.org,mdjones@chromium.org,khushalsagar@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2784463002
Cr-Commit-Position: refs/heads/master@{#460022}
Committed:
https://chromium.googlesource.com/chromium/src/+/6cbf12a1814e63a869a21890199f...
==========

[commit-bot: I haz the power, 2017-03-28 05:55:41]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/6cbf12a1814e63a869a21890199f...