Revert 249336 "[Android WebView] Stabilize AwZoomTest.testMagnif..."
> [Android WebView] Stabilize AwZoomTest.testMagnification...
>
> The page that is used for testing is updated to have wide content, so
> Blink actually sets up the page scale to the specified 'initial-scale'.
>
> After loading the page, the test now waits until the page scale becomes
> equal to the one specified in 'initial-scale' / 'minimum-scale', which ensures
> that the viewport meta tag has been fully processed. This should prevent
> the situation when the test discovers that the page can still be zoomed out.
>
> I have encountered an issue with DCHECKs in
> InProcessViewRenderer::SetTotalRootLayerScrollOffset, and had to disable
> them.
>
> BUG=340327,340648
> R=mkosiba@chromium.org
>
> Review URL: https://codereview.chromium.org/
143683005
TBR=mnaganov@chromium.org
Review URL: https://codereview.chromium.org/
137383014
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249491 0039d316-1c4b-4281-b951-d872f2087c98