Fix ASAN errors.

src/gpu/GrStyle.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrStyle_DEFINED
 #define GrStyle_DEFINED
 
@@ skipping 141 matching lines @@
 
 private:
     void initPathEffect(SkPathEffect* pe);
 
     struct DashInfo {
         DashInfo() : fType(SkPathEffect::kNone_DashType) {}
         DashInfo& operator=(const DashInfo& that) {
             fType = that.fType;
             fPhase = that.fPhase;
             fIntervals.reset(that.fIntervals.count());
-            memcpy(fIntervals.get(), that.fIntervals.get(),
-                   sizeof(SkScalar) * that.fIntervals.count());
+            sk_careful_memcpy(fIntervals.get(), that.fIntervals.get(),
+                              sizeof(SkScalar) * that.fIntervals.count());
             return *this;
         }
         void reset() {
             fType = SkPathEffect::kNone_DashType;
             fIntervals.reset(0);
         }
         SkPathEffect::DashType      fType;
         SkScalar                    fPhase;
         SkAutoSTArray<4, SkScalar>  fIntervals;
     };
 
     SkStrokeRec         fStrokeRec;
     sk_sp<SkPathEffect> fPathEffect;
     DashInfo            fDashInfo;
 };
 
 #endif