Don't use page id in NavigatorImpl::NavigateToEntry.
Don't use page id in NavigatorImpl::NavigateToEntry.

There is a hack in NavigatorImpl::NavigateToEntry to avoid adding javascript: URLs to the session history. It uses page id to detect non-history navigations. This switches in an equivalent use of the pending entry index.

BUG=369331
TEST=no change

Review URL: https://codereview.chromium.org/1213323002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#336805}

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