SkPDF: PDFDevice use SkTArray<T> rather than SkTDArray<T*>

include/private/SkTArray.h

Index: include/private/SkTArray.h
diff --git a/include/private/SkTArray.h b/include/private/SkTArray.h
index 5330e4930725cf5bbf5945e66cf847da68d09fba..8577200770dbcf43eb6cc0dbf2f48f97d8cb1876 100644
--- a/include/private/SkTArray.h
+++ b/include/private/SkTArray.h
@@ -156,6 +156,15 @@ public:
     }
 
     /**
+     * Version of above that uses a move constructor to initialize the new item
+     */
+    T& push_back(T&& t) {
+        T* newT = reinterpret_cast<T*>(this->push_back_raw(1));
+        new (newT) T(std::move(t));
+        return *newT;
+    }
+
+    /**
      *  Construct a new T at the back of this array.
      */
     template<class... Args> T& emplace_back(Args&&... args) {