std::move(SkTDArray)

include/private/SkTDArray.h

Index: include/private/SkTDArray.h
diff --git a/include/private/SkTDArray.h b/include/private/SkTDArray.h
index 8af54bbcc5bb58382ff739201999ad1d40f93bfc..d6ef3a3834141d4d1ee14021617926169fdfbe4b 100644
--- a/include/private/SkTDArray.h
+++ b/include/private/SkTDArray.h
@@ -14,10 +14,7 @@
 
 template <typename T> class SkTDArray {
 public:
-    SkTDArray() {
-        fReserve = fCount = 0;
-        fArray = NULL;
-    }
+    SkTDArray() : fArray(nullptr), fReserve(0), fCount(0) {}
     SkTDArray(const T src[], int count) {
         SkASSERT(src || count == 0);
 
@@ -29,12 +26,13 @@ public:
             fReserve = fCount = count;
         }
     }
-    SkTDArray(const SkTDArray<T>& src) {
-        fReserve = fCount = 0;
-        fArray = NULL;
+    SkTDArray(const SkTDArray<T>& src) : fArray(nullptr), fReserve(0), fCount(0) {
         SkTDArray<T> tmp(src.fArray, src.fCount);
         this->swap(tmp);
     }
+    SkTDArray(SkTDArray<T>&& src) : fArray(nullptr), fReserve(0), fCount(0) {
+        this->swap(src);
+    }
     ~SkTDArray() {
         sk_free(fArray);
     }
@@ -51,6 +49,13 @@ public:
         }
         return *this;
     }
+    SkTDArray<T>& operator=(SkTDArray<T>&& src) {
+        if (this != &src) {
+            this->swap(src);
+            src.reset();
+        }
+        return *this;
+    }
 
     friend bool operator==(const SkTDArray<T>& a, const SkTDArray<T>& b) {
         return  a.fCount == b.fCount &&