Refactor cacher.ListerWatcher code structure

[wojtek-t]

Ref #109831

NONE

/kind cleanup
/priority important-longterm
/sig api-machinery

[wojtek-t]

/assign @stevekuznetsov @MadhavJivrajani

[stevekuznetsov]

gofmt unhappy, otherwise LGTM:

diff ./staging/src/k8s.io/apiserver/pkg/storage/cacher/lister_watcher_test.go.orig ./staging/src/k8s.io/apiserver/pkg/storage/cacher/lister_watcher_test.go
--- ./staging/src/k8s.io/apiserver/pkg/storage/cacher/lister_watcher_test.go.orig
+++ ./staging/src/k8s.io/apiserver/pkg/storage/cacher/lister_watcher_test.go
@@ -33,7 +33,7 @@
 	"k8s.io/apiserver/pkg/storage/value/encrypt/identity"
 )
 
-func newPod() runtime.Object     { return &example.Pod{} }
+func newPod() runtime.Object { return &example.Pod{} } 

[wojtek-t]

@stevekuznetsov - fixed now :)

[stevekuznetsov]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: bb311d6c9c98a8cbff3d1d8740d3ffc35ac1ab0e

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: stevekuznetsov, wojtek-t

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• staging/src/k8s.io/apiserver/pkg/storage/OWNERS [wojtek-t]

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[k8s-ci-robot]

New changes are detected. LGTM label has been removed.

[wojtek-t]

Just did a trivial rebase - reapplying the label.

[cici37]

/triage accepted