Blink Animation: Limit maximum accuracy to avoid hanging for long durations.

ui/gfx/geometry/cubic_bezier.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/geometry/cubic_bezier.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/logging.h"
@@ skipping 114 matching lines @@
   if (0 < t1 && t1 < 1)
     sol1 = SampleCurveY(t1);
 
   if (0 < t2 && t2 < 1)
     sol2 = SampleCurveY(t2);
 
   range_min_ = std::min(std::min(range_min_, sol1), sol2);
   range_max_ = std::max(std::max(range_max_, sol1), sol2);
 }
 
+double CubicBezier::GetDefaultEpsilon() {
+  return kBezierEpsilon;
+}
+
 double CubicBezier::SolveCurveX(double x, double epsilon) const {
   DCHECK_GE(x, 0.0);
   DCHECK_LE(x, 1.0);
 
   double t0;
   double t1;
   double t2;
   double x2;
   double d2;
   int i;
@@ skipping 55 matching lines @@
 
 double CubicBezier::GetX2() const {
   return (bx_ + cx_) / 3.0 + GetX1();
 }
 
 double CubicBezier::GetY2() const {
   return (by_ + cy_) / 3.0 + GetY1();
 }
 
 }  // namespace gfx