[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 2de768bf138e328518ab5108c6086eff74556650..6261c546a64b2a67fe065b8edeff632b49f84c29 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -283,6 +283,9 @@ class Factory final {
   Handle<ByteArray> NewByteArray(int length,
                                  PretenureFlag pretenure = NOT_TENURED);
 
+  Handle<BytecodeArray> NewBytecodeArray(int length, const byte* start,

[rmcilroy, 2015/07/15 13:33:37]

nit - /s/start/raw_bytecodes.

[oth, 2015/07/16 09:15:49]

Done.

+                                         PretenureFlag pretenure = NOT_TENURED);

[rmcilroy, 2015/07/15 13:33:37]

Let's remove the pretenure flag and just always tenure the bytecode - it is
referenced by the SharedFunctionInfo which is also pretenured (allocated in the
old space) and should always live long enough that it would always get promoted
anyway.

[oth, 2015/07/16 09:15:49]

Done.

+
   Handle<ExternalArray> NewExternalArray(
       int length,
       ExternalArrayType array_type,