Mojo: Add resize and push_back to Array.

mojo/public/cpp/bindings/array.h

Index: mojo/public/cpp/bindings/array.h
diff --git a/mojo/public/cpp/bindings/array.h b/mojo/public/cpp/bindings/array.h
index bf971764526a926b29f4c8a32587ef8637bad90f..fdc00eb76aae3ae6caa1fbba5c063e6a15d4f6ed 100644
--- a/mojo/public/cpp/bindings/array.h
+++ b/mojo/public/cpp/bindings/array.h
@@ -27,6 +27,7 @@ class Array {
   typedef typename Traits::ConstRefType ConstRefType;
   typedef typename Traits::RefType RefType;
   typedef typename Traits::StorageType StorageType;
+  typedef typename Traits::SinkType SinkType;
 
   typedef internal::Array_Data<typename internal::WrapperTraits<T>::DataType>
       Data_;
@@ -75,6 +76,16 @@ class Array {
   RefType at(size_t offset) { return Traits::at(&vec_, offset); }
   RefType operator[](size_t offset) { return at(offset); }
 
+  void push_back(SinkType value) {
+    is_null_ = false;
+    Traits::PushBack(&vec_, value);
+  }
+
+  void resize(size_t size) {
+    is_null_ = false;
+    Traits::Resize(&vec_, size);
+  }
+
   const std::vector<StorageType>& storage() const {
     return vec_;
   }