Introduce FlexibleArrayBufferView and TypedFlexibleArrayBufferView

Source/bindings/core/v8/V8BindingMacros.h

Index: Source/bindings/core/v8/V8BindingMacros.h
diff --git a/Source/bindings/core/v8/V8BindingMacros.h b/Source/bindings/core/v8/V8BindingMacros.h
index 2377e9d0c1445e71a67a83ba53490c01fedf4887..b343a92da20ab518d3dc51425f9f3813da0209a2 100644
--- a/Source/bindings/core/v8/V8BindingMacros.h
+++ b/Source/bindings/core/v8/V8BindingMacros.h
@@ -46,6 +46,10 @@ namespace blink {
     if (UNLIKELY(!var.prepare()))                  \
         return retVal;
 
+#define SMALL_ARRAY_BUFFER_VIEW_STORAGE(value) \

[haraken, 2015/07/30 14:54:57]

I'd rename this to allocateFlexibleArrayBufferViewStorage().

[haraken, 2015/07/30 14:54:57]

Add a comment about what this is doing.

[Michael Lippautz, 2015/07/30 17:06:14]

Done.

[Michael Lippautz, 2015/07/30 17:06:15]

Done.

+    (value->IsArrayBufferView() && (value.As<v8::ArrayBufferView>()->ByteLength() <= 128) ? alloca(value.As<v8::ArrayBufferView>()->ByteLength()) : nullptr)

[jochen (gone - plz use gerrit), 2015/07/30 14:30:06]

should we change the default for on-heap typed arrays in v8 to <= 128 as well?

[Michael Lippautz, 2015/07/30 17:06:14]

Changed to 64. Let's keep it in sync with V8's typed_array_max_size_heap.

+
+

[jochen (gone - plz use gerrit), 2015/07/30 14:30:06]

nit. only one empty line

[Michael Lippautz, 2015/07/30 17:06:15]

Done.

 template <typename T>
 inline bool v8Call(v8::Maybe<T> maybe, T& outVariable)
 {