Services MUST NOT vary their behaviour on global state, especially not
WebRequest, RequestContext (T218555).
Change-Id: I4b73ef713166d8b254023c1eebbb45c963880a99
Changes to the use statements done automatically via script
Addition of missing use statement done manually
Change-Id: I1eec0823b7af97ea5031ff00b111e0c88b45a155
The $hasLangauges and $hasVariants checks were used in couple places,
which lead to the same code used in many places.
Following the DRY rule, let's implement a Service that can do that
check, and use that service everywhere in code.
Bug: T224735
Change-Id: I46d58758356e870c408a74b2c087a42d6ad0ddea