Revert "Revert "Don't use GrRRectBlurEffect for large rects when highp is not full float""

This reverts commit 729715298c8af1d2ecc4cbe887eeeb9a1c17c595.

Changed std::abs() to SkScalarAbs() and #include "SkScalar.h"

Change-Id: I9a02ca1a63eef748f9a11d324e8bb89e14571bc9
Reviewed-on: https://skia-review.googlesource.com/127320
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
(cherry picked from commit ff6a7cd4d2da9a8c992a20da01cd439bfb008b5c)
Reviewed-on: https://skia-review.googlesource.com/127601
Reviewed-by: Hal Canary <halcanary@google.com>
4 files changed