Fix read of destructed FrameView in PinchViewportTest

The read was meant to occur on the newly constructed FrameView, it was
instead still pointing to the old FrameView which was destructed.

TBR=alexclarke@chromium.org
BUG=419372

Review URL: https://codereview.chromium.org/619113003

git-svn-id: svn://svn.chromium.org/blink/trunk@183078 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Oilpan: fix build after r183074.

TBR=haraken
BUG=409031
NOTRY=true

Review URL: https://codereview.chromium.org/615843003

git-svn-id: svn://svn.chromium.org/blink/trunk@183079 bbb929c8-8fbe-4397-9dbb-9b2b20218538