Fix up SkMatrix::isFinite call

src/core/SkMatrix.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMatrix.h"
 #include "SkFloatBits.h"
 #include "SkRSXform.h"
@@ skipping 751 matching lines @@
 
     // Since the determinant is on the order of the cube of the matrix members,
     // compare to the cube of the default nearly-zero constant (although an
     // estimate of the condition number would be better if it wasn't so expensive).
     if (SkScalarNearlyZero((float)det, SK_ScalarNearlyZero * SK_ScalarNearlyZero * SK_ScalarNearlyZero)) {
         return 0;
     }
     return 1.0 / det;
 }
 
-bool SkMatrix::isFinite() const {
-    for (int i = 0; i < 9; ++i) {
-        if (!SkScalarIsFinite(fMat[i])) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 void SkMatrix::SetAffineIdentity(SkScalar affine[6]) {
     affine[kAScaleX] = 1;
     affine[kASkewY] = 0;
     affine[kASkewX] = 0;
     affine[kAScaleY] = 1;
     affine[kATransX] = 0;
     affine[kATransY] = 0;
 }
 
 bool SkMatrix::asAffine(SkScalar affine[6]) const {
@@ skipping 1068 matching lines @@
     const SkScalar m11 = m00;
     const SkScalar m12 = fTy;
 
     quad[0].set(m02, m12);
     quad[1].set(m00 * width + m02, m10 * width + m12);
     quad[2].set(m00 * width + m01 * height + m02, m10 * width + m11 * height + m12);
     quad[3].set(m01 * height + m02, m11 * height + m12);
 #endif
 }