Implement in-process PPB_VarArrayBuffer_Dev.

ppapi/examples/scripting/post_message.cc

Index: ppapi/examples/scripting/post_message.cc
diff --git a/ppapi/examples/scripting/post_message.cc b/ppapi/examples/scripting/post_message.cc
index 24f79271bc3ac30e34c0e8947473d8907a0071db..1faa0c1df646cda502013280eb106461ec0f8420 100644
--- a/ppapi/examples/scripting/post_message.cc
+++ b/ppapi/examples/scripting/post_message.cc
@@ -4,6 +4,10 @@
 
 #include <algorithm>
 
+#include <stdio.h>
+#include <string.h>
+
+#include "ppapi/cpp/dev/var_array_buffer_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/var.h"
@@ -26,10 +30,17 @@ class MyInstance : public pp::Instance {
 void MyInstance::HandleMessage(const pp::Var& message_data) {
   if (message_data.is_string()) {
     std::string string_copy(message_data.AsString());
-    std::reverse(string_copy.begin(), string_copy.end());
-    bool is_palindrome(message_data.AsString() == string_copy);
+    pp::VarArrayBuffer_Dev buff(string_copy.size());
+    char* str = static_cast<char*>(buff.Map());
+    memcpy(str, string_copy.c_str(), buff.ByteLength());
 
-    PostMessage(pp::Var(is_palindrome));
+    PostMessage(buff);
+  } else if (message_data.is_array_buffer()) {
+    pp::VarArrayBuffer_Dev buff_var(message_data);
+    char* buff = static_cast<char*>(buff_var.Map());
+    for (size_t i=0; i < buff_var.ByteLength(); ++i)
+      printf("%d ", int(buff[i]));
+    printf("\n");
   }
 }