- we can do this, because HitTestResult never had a published constructor
so the only code that can create it has always lived in this package.
- doing this makes the class design cleaner, and smooths the way for allowing
the new WebView implementation to deal in these results in contexts where
the appropriate WebView instance is not readily available.
Change-Id: I9e1f1c0faeb16436b1861aab3c2871a5851dfb54
19644b613e