speculatively comment out chrome mac perf test crasher

src/gpu/GrBlurUtils.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBlurUtils.h"
 #include "GrDrawContext.h"
 #include "GrCaps.h"
@@ skipping 269 matching lines @@
                                          const GrClip& clip,
                                          const SkPath& origSrcPath,
                                          const SkPaint& paint,
                                          const SkMatrix& origViewMatrix,
                                          const SkMatrix* prePathMatrix,
                                          const SkIRect& clipBounds,
                                          bool pathIsMutable) {
     SkASSERT(!pathIsMutable || origSrcPath.isVolatile());
 
     GrStrokeInfo strokeInfo(paint);
-    strokeInfo.setResScale(SkDraw::ComputeResScaleForStroking(origViewMatrix));
+    // comment out the line below to determine if it is the reason that the chrome mac perf bot
+    // has begun crashing
+    // strokeInfo.setResScale(SkDraw::ComputeResScaleForStroking(origViewMatrix));
 
     // If we have a prematrix, apply it to the path, optimizing for the case
     // where the original path can in fact be modified in place (even though
     // its parameter type is const).
     SkPath* pathPtr = const_cast<SkPath*>(&origSrcPath);
     SkTLazy<SkPath> tmpPath;
     SkTLazy<SkPath> effectPath;
     SkPathEffect* pathEffect = paint.getPathEffect();
 
     SkMatrix viewMatrix = origViewMatrix;
@@ skipping 38 matching lines @@
 
     if (paint.getMaskFilter()) {
         draw_path_with_mask_filter(context, drawContext, clip, &grPaint, viewMatrix,
                                    paint.getMaskFilter(), pathEffect, strokeInfo,
                                    pathPtr, pathIsMutable);
     } else {
         drawContext->drawPath(clip, grPaint, viewMatrix, *pathPtr, strokeInfo);
     }
 }