- A prototype which allows to expose CanvasPixelArray functionality...

src/heap.h

Index: src/heap.h
===================================================================
--- src/heap.h	(revision 2544)
+++ src/heap.h	(working copy)
@@ -94,6 +94,7 @@
     UndetectableMediumAsciiStringMap)                                          \
   V(Map, undetectable_long_ascii_string_map, UndetectableLongAsciiStringMap)   \
   V(Map, byte_array_map, ByteArrayMap)                                         \
+  V(Map, pixel_array_map, PixelArrayMap)                                       \
   V(Map, fixed_array_map, FixedArrayMap)                                       \
   V(Map, hash_table_map, HashTableMap)                                         \
   V(Map, context_map, ContextMap)                                              \
@@ -418,6 +419,14 @@
   // Please note this does not perform a garbage collection.
   static Object* AllocateByteArray(int length);
 
+  // Allocate a pixel array of the specified length
+  // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
+  // failed.
+  // Please note this does not perform a garbage collection.
+  static Object* AllocatePixelArray(int length,
+                                    uint8_t* external_pointer,
+                                    PretenureFlag pretenure);
+
   // Allocate a tenured JS global property cell.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.