... and rename Runtime::kDeclareGlobalsForInterpreter -> Runtime::kDeclareGlobals.

Bug: v8:7310
Change-Id: I58f9615b6948b66727f2de7e9ba1b0be4f87d9aa
Reviewed-on: https://chromium-review.googlesource.com/966291
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52038}