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Test srcdoc/blank/data-url vs cookies inheritance.

Add regression tests for https://crbug.com/1003167.

This checks what happens with cookies in iframes when using special
URLs like about:srcdoc, about:blank, and data-URLs. This checks
normal navigations and history navigations.

This is able to trigger the DumpWithoutCrashing() in:
network::RestrictedCookieManager::ValidateAccessToCookiesAt

Tests=
 - NavigationBaseBrowserTest.CookiesInheritedSrcDoc
 - NavigationBaseBrowserTest.CookiesInheritedAboutBlank
 - NavigationBaseBrowserTest.CookiesInheritedAboutBlank2
 - NavigationBaseBrowserTest.CookiesInheritedDataUrl

Bug: 1003167
Change-Id: I73b9e62021490cfb74caf49c32009171dd9bea00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1831762Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Reviewed-by: Nasko Oskov <nasko@chromium.org>
Reviewed-by: Łukasz Anforowicz <lukasza@chromium.org>
Commit-Queue: Nasko Oskov <nasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701630}