Simplify flattening to just write enough to call the factory

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"
 
 #include "SkDashPathPriv.h"
@@ skipping 220 matching lines @@
     if (info) {
         if (info->fCount >= fCount && NULL != info->fIntervals) {
             memcpy(info->fIntervals, fIntervals, fCount * sizeof(SkScalar));
         }
         info->fCount = fCount;
         info->fPhase = fPhase;
     }
     return kDash_DashType;
 }
 
-SkFlattenable::Factory SkDashPathEffect::getFactory() const {
-    return CreateProc;
-}
-
 void SkDashPathEffect::flatten(SkWriteBuffer& buffer) const {
-    this->INHERITED::flatten(buffer);
     buffer.writeScalar(fPhase);
     buffer.writeScalarArray(fIntervals, fCount);
 }
 
 SkFlattenable* SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
-    return SkNEW_ARGS(SkDashPathEffect, (buffer));
+    const SkScalar phase = buffer.readScalar();
+    uint32_t count = buffer.getArrayCount();
+    SkAutoSTArray<32, SkScalar> intervals(count);
+    if (buffer.readScalarArray(intervals.get(), count)) {
+        return Create(intervals.get(), SkToInt(count), phase);
+    }
+    return NULL;
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
 SkDashPathEffect::SkDashPathEffect(SkReadBuffer& buffer)
         : INHERITED(buffer)
         , fPhase(0)
         , fInitialDashLength(0)
         , fInitialDashIndex(0)
         , fIntervalLength(0) {
     bool useOldPic = buffer.isVersionLT(SkReadBuffer::kDashWritesPhaseIntervals_Version);
     if (useOldPic) {
         fInitialDashIndex = buffer.readInt();
         fInitialDashLength = buffer.readScalar();
@@ skipping 20 matching lines @@
             }
             fPhase += fIntervals[fInitialDashIndex] - fInitialDashLength;
         }
     } else {
         // set the internal data members, fPhase should have been between 0 and intervalLength
         // when written to buffer so no need to adjust it
         SkDashPath::CalcDashParameters(fPhase, fIntervals, fCount,
                 &fInitialDashLength, &fInitialDashIndex, &fIntervalLength);
     }
 }
+#endif
+