COMPMID-1023: Import memory for OpenCL

Change-Id: I201bc00a1261814737e6b6878ecfe9904bae0cc1
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/128212
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/runtime/Allocator.h b/arm_compute/runtime/Allocator.h
index cf6f07b..963c2d8 100644
--- a/arm_compute/runtime/Allocator.h
+++ b/arm_compute/runtime/Allocator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -26,12 +26,14 @@
 
 #include "arm_compute/runtime/IAllocator.h"
 
+#include "arm_compute/runtime/IMemoryRegion.h"
+
 #include <cstddef>
 
 namespace arm_compute
 {
 /** Default malloc allocator implementation */
-class Allocator : public IAllocator
+class Allocator final : public IAllocator
 {
 public:
     /** Default constructor */
@@ -40,6 +42,7 @@
     // Inherited methods overridden:
     void *allocate(size_t size, size_t alignment) override;
     void free(void *ptr) override;
+    std::unique_ptr<IMemoryRegion> make_region(size_t size, size_t alignment) override;
 };
 } // arm_compute
 #endif /*__ARM_COMPUTE_ALLOCATOR_H__ */