New APIs for external byte arrays

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 4980 matching lines @@
   uint8_t At(intptr_t index) const {
     ASSERT((index >= 0) && (index < Length()));
     return raw_ptr()->external_data_->data()[index];
   }
 
   void SetAt(intptr_t index, uint8_t value) const {
     ASSERT((index >= 0) && (index < Length()));
     raw_ptr()->external_data_->data()[index] = value;
   }
 
+  void* GetData() const {
+    return raw_ptr()->external_data_->data();
+  }
+
   void* GetPeer() const {
     return raw_ptr()->external_data_->peer();
   }
 
   static const intptr_t kBytesPerElement = 1;
 
   // Since external arrays may be serialized to non-external ones,
   // enforce the same maximum element count.
   static const intptr_t kMaxElements = Uint8Array::kMaxElements;
 
@@ skipping 778 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_