Revert 184747

Revert 184747
> Merge 184718 - ChromeFrame sites in IE would appear truncated at times.
> 
> This was a regression caused by the change to invalidate the cached protocol data when IE (urlmon)
> terminates the protocol. While this works well for non CF requests, for CF requests when we report
> the changed mime type to be that of chrome, the protocol is terminated with cached data. When Chrome
> attempts to read it we don't have anything to report which leads to the problem.
> 
> Fix is to not invalidate the protocol data for Chrome requests in our Terminate hook. We should invalidate
> it for Abort because that seems like an error condition.
> 
> BUG=178421
> R=robertshield.
> Review URL: https://chromiumcodereview.appspot.com/12310145
> 
> TBR=ananta@chromium.org
> Review URL: https://chromiumcodereview.appspot.com/12314131

TBR=gman@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=185958

[kerz_chromium, 2013-03-04 20:20:23]

Committed patchset #1 manually as r185958.