Combine typed and pixel arrays.

src/runtime.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 151 matching lines @@
         { MaybeObject* maybe_result =
               copy->SetProperty(key_string, result, NONE);
           if (!maybe_result->ToObject(&result)) return maybe_result;
         }
       }
     }
   }
 
   // Deep copy local elements.
   // Pixel elements cannot be created using an object literal.
-  ASSERT(!copy->HasPixelElements() && !copy->HasExternalArrayElements());
+  ASSERT(!copy->HasExternalArrayElements());
   switch (copy->GetElementsKind()) {
     case JSObject::FAST_ELEMENTS: {
       FixedArray* elements = FixedArray::cast(copy->elements());
       if (elements->map() == Heap::fixed_cow_array_map()) {
         Counters::cow_arrays_created_runtime.Increment();
 #ifdef DEBUG
         for (int i = 0; i < elements->length(); i++) {
           ASSERT(!elements->get(i)->IsJSObject());
         }
 #endif
@@ skipping 7935 matching lines @@
         Handle<Object> e(elements->get(j));
         if (!e->IsTheHole()) {
           num_of_elements++;
           if (visitor) {
             visitor->visit(j, e);
           }
         }
       }
       break;
     }
-    case JSObject::PIXEL_ELEMENTS: {
-      Handle<PixelArray> pixels(PixelArray::cast(receiver->elements()));
+    case JSObject::EXTERNAL_PIXEL_ELEMENTS: {
+      Handle<ExternalPixelArray> pixels(
+          ExternalPixelArray::cast(receiver->elements()));
       uint32_t len = pixels->length();
       if (range < len) {
         len = range;
       }
 
       for (uint32_t j = 0; j < len; j++) {
         num_of_elements++;
         if (visitor != NULL) {
           Handle<Smi> e(Smi::FromInt(pixels->get(j)));
           visitor->visit(j, e);
@@ skipping 3061 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal