Draft of a PPAPI interface for ArrayBuffer and typed arrays.

ppapi/api/pp_var.idl

Index: ppapi/api/pp_var.idl
diff --git a/ppapi/api/pp_var.idl b/ppapi/api/pp_var.idl
index 1a6ad7e62b3f6b6cc7712c8148bf9ae2fde7d2a9..8a1b05ab0ab39c98313671b8845454ba94145a6a 100644
--- a/ppapi/api/pp_var.idl
+++ b/ppapi/api/pp_var.idl
@@ -61,7 +61,16 @@ enum PP_VarType {
    * module will continue to work with future versions of the API.
    */
   PP_VARTYPE_ARRAY = 7,
-  PP_VARTYPE_DICTIONARY = 8
+  PP_VARTYPE_DICTIONARY = 8,
+
+  /**
+   * ArrayBuffer represents a JavaScript ArrayBuffer. This is the type which
+   * represents Typed Arrays in JavaScript. Unlike JavaScript 'Array', it is
+   * only meant to contain basic numeric types, and is always stored
+   * contiguously. See PPB_VarArrayBuffer_Dev for functions special to
+   * ArrayBuffer vars.
+   */
+  PP_VARTYPE_ARRAY_BUFFER = 9
 };