Fix ASAN errors.

src/gpu/GrShape.cpp

Index: src/gpu/GrShape.cpp
diff --git a/src/gpu/GrShape.cpp b/src/gpu/GrShape.cpp
index bb9c186fe396fc137d92dcd1ac659a9e313e62f2..3b49f6ae7fa3dc91dc19fd4b9cdd29e5c0b6c627 100644
--- a/src/gpu/GrShape.cpp
+++ b/src/gpu/GrShape.cpp
@@ -32,8 +32,8 @@ GrShape& GrShape::operator=(const GrShape& that) {
             break;
     }
     fInheritedKey.reset(that.fInheritedKey.count());
-    memcpy(fInheritedKey.get(), that.fInheritedKey.get(),
-           sizeof(uint32_t) * fInheritedKey.count());
+    sk_careful_memcpy(fInheritedKey.get(), that.fInheritedKey.get(),
+                      sizeof(uint32_t) * fInheritedKey.count());
     return *this;
 }