Reviewed by Adam Barth.

        [Chromium] Renderer hang when using www.expedia.com
        https://bugs.webkit.org/show_bug.cgi?id=31822

        Test: http/tests/cache/subresource-failover-to-network.html

        * loader/FrameLoader.cpp:
        (WebCore::FrameLoader::loadResourceSynchronously): Use the originalRequest
        when inheriting cache policy.  This matches SubresourceLoader::create.

2009-11-24  Darin Fisher  <darin@chromium.org>

        Reviewed by Adam Barth.

        [Chromium] Renderer hang when using www.expedia.com
        https://bugs.webkit.org/show_bug.cgi?id=31822

        This test verifies that a synchronous XMLHttpRequest, generated from a
        page that is the result of a form submission, loads properly when the
        user navigates back to the page.

        When navigating back to a page that resulted from a form submission,
        the page is loaded with the ReturnCacheDataDontLoad cache policy.  It
        is important that subresources (including XMLHttpRequest instances) do
        not inherit this cache policy.

        * http/tests/cache/resources/echo-no-store.cgi: Added.
        * http/tests/cache/resources/subresource-failover-to-network.cgi: Added.
        * http/tests/cache/subresource-failover-to-network-expected.txt: Added.
        * http/tests/cache/subresource-failover-to-network.html: Added.

2009-11-24  Darin Fisher  <darin@chromium.org>

        Reviewed by Adam Barth.

        [Chromium] Renderer hang when using www.expedia.com
        https://bugs.webkit.org/show_bug.cgi?id=31822

        * src/FrameLoaderClientImpl.cpp:
        (WebKit::FrameLoaderClientImpl::dispatchWillSendRequest):
        Assign ReturnCacheDataDontLoad cache policy at the last moment
        to match Safari.  This way the cache policy does not get stored
        in DocumentLoader's originalRequest preventing it from being
        inherited by subresource requests.
        * src/ResourceHandle.cpp:
        (WebCore::ResourceHandle::willLoadFromCache): Remove assignment
        of ReturnCacheDataDontLoad cache policy so that it doesn't end
        up applying to the DocumentLoader's originalRequest.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@51350 268f45cc-cd09-0410-ab3c-d52691b4dbfc