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There is a bug that navigation of OOPIF's remote iframe in Web Bundle
file cause DCHECK failure. The root cause of the bug is that:
  - When NavigationControllerImpl::NavigateFromFrameProxy() is called
    for a remote iframe, this method clones the committed
    NavigationEntryImpl.
  - NavigationRequest's constructor clones the WebBundleNavigationInfo
    of the passed NavigationEntryImpl. This is not correct, because
    WebBundleNavigationInfo should be attached to the frame, not the
    page.

To fix this bug, this CL moves WebBundleNavigationInfo from
NavigationEntryImpl to FrameNavigationEntry.

Bug: 1058721, 1040800
Change-Id: Ia654876cfd08433550d1bdb9b81e0aac402fe61b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2091191Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Tsuyoshi Horo <horo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748218}