tree 7bccaa4604e3cbf1bbd20ed6f81e513c83fd96dc
parent 44bc284d96eb551117564ca004a6f2f7bc6aeddd
author Eugene Susla <eugenesusla@google.com> 1502151930 -0700
committer Eugene Susla <eugenesusla@google.com> 1504209803 -0700

MagnificationGestureHandler refactoring and unit test

This is aimed at making MagnificationGestureHandler easier to understand
and reason about

Test: provided unit test + manual magnification test
Change-Id: I958ef0bdd2e6f857a2fab24962b1a06480685732