Rename ProbeContext and ProbeFunction to Probe::State and Probe::Function.

Rename ProbeContext and ProbeFunction to Probe::State and Probe::Function.
https://bugs.webkit.org/show_bug.cgi?id=175725
<rdar://problem/33965477>

Rubber-stamped by JF Bastien.

This is purely a refactoring patch (in preparation for the introduction of a
Probe::Context data structure in https://bugs.webkit.org/show_bug.cgi?id=175688
later).  This patch does not change any semantics / behavior.

* assembler/AbstractMacroAssembler.h:
* assembler/MacroAssembler.cpp:
(JSC::stdFunctionCallback):
(JSC::MacroAssembler::probe):
* assembler/MacroAssembler.h:
(JSC::ProbeContext::gpr): Deleted.
(JSC::ProbeContext::spr): Deleted.
(JSC::ProbeContext::fpr): Deleted.
(JSC::ProbeContext::gprName): Deleted.
(JSC::ProbeContext::sprName): Deleted.
(JSC::ProbeContext::fprName): Deleted.
(JSC::ProbeContext::pc): Deleted.
(JSC::ProbeContext::fp): Deleted.
(JSC::ProbeContext::sp): Deleted.
* assembler/MacroAssemblerARM.cpp:
(JSC::MacroAssembler::probe):
* assembler/MacroAssemblerARM.h:
(JSC::MacroAssemblerARM::trustedImm32FromPtr):
* assembler/MacroAssemblerARM64.cpp:
(JSC::arm64ProbeError):
(JSC::MacroAssembler::probe):
* assembler/MacroAssemblerARMv7.cpp:
(JSC::MacroAssembler::probe):
* assembler/MacroAssemblerARMv7.h:
(JSC::MacroAssemblerARMv7::trustedImm32FromPtr):
* assembler/MacroAssemblerPrinter.cpp:
(JSC::Printer::printCallback):
* assembler/MacroAssemblerPrinter.h:
* assembler/MacroAssemblerX86Common.cpp:
(JSC::MacroAssembler::probe):
* assembler/Printer.h:
(JSC::Printer::Context::Context):
* assembler/testmasm.cpp:
(JSC::testProbeReadsArgumentRegisters):
(JSC::testProbeWritesArgumentRegisters):
(JSC::testProbePreservesGPRS):
(JSC::testProbeModifiesStackPointer):
(JSC::testProbeModifiesStackPointerToInsideProbeStateOnStack):
(JSC::testProbeModifiesStackPointerToNBytesBelowSP):
(JSC::testProbeModifiesProgramCounter):
(JSC::fillStack):
(JSC::testProbeModifiesStackWithCallback):
(JSC::run):
(JSC::testProbeModifiesStackPointerToInsideProbeContextOnStack): Deleted.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@220921 268f45cc-cd09-0410-ab3c-d52691b4dbfc