Fix underlying issue causing crbug.com/348821.

src/effects/SkDashPathEffect.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 "SkDashPathEffect.h"
@@ skipping 512 matching lines @@
                                    x + halfWidth, y + halfHeight);
         }
 
         SkASSERT(curPt == results->fNumPoints);
     }
 
     return true;
 }
 
 SkFlattenable::Factory SkDashPathEffect::getFactory() const {
-    return fInitialDashLength < 0 ? NULL : CreateProc;
+    return CreateProc;
 }
 
 void SkDashPathEffect::flatten(SkWriteBuffer& buffer) const {
-    SkASSERT(fInitialDashLength >= 0);
-
     this->INHERITED::flatten(buffer);
     buffer.writeInt(fInitialDashIndex);
     buffer.writeScalar(fInitialDashLength);
     buffer.writeScalar(fIntervalLength);
     buffer.writeBool(fScaleToFit);
     buffer.writeScalarArray(fIntervals, fCount);
 }
 
 SkFlattenable* SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
     return SkNEW_ARGS(SkDashPathEffect, (buffer));
 }
 
 SkDashPathEffect::SkDashPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
     fInitialDashIndex = buffer.readInt();
     fInitialDashLength = buffer.readScalar();
     fIntervalLength = buffer.readScalar();
     fScaleToFit = buffer.readBool();
 
     fCount = buffer.getArrayCount();
     size_t allocSize = sizeof(SkScalar) * fCount;
     if (buffer.validateAvailable(allocSize)) {
         fIntervals = (SkScalar*)sk_malloc_throw(allocSize);
         buffer.readScalarArray(fIntervals, fCount);
     } else {
         fIntervals = NULL;
     }
 }