Added API Dart_PostCMessage for posting a Dart_CMessage structure

runtime/include/dart_api.h

Index: runtime/include/dart_api.h
diff --git a/runtime/include/dart_api.h b/runtime/include/dart_api.h
index 683d727a7cc866ddb420ce3e62794f5bff70dab2..bcda8486baf49efb1a14b68e2205d3cc4a697c16 100755
--- a/runtime/include/dart_api.h
+++ b/runtime/include/dart_api.h
@@ -499,22 +499,6 @@ DART_EXPORT Dart_Port Dart_GetMainPortId();
 DART_EXPORT bool Dart_HasLivePorts();
 
 /**
- * Posts a message for some isolate. The message is built from a raw
- * array.
- *
- * \param port The destination port.
- * \param length The length of the data array.
- * \param data A data array to be sent in the message.
- *
- * \return True if the message was posted.
- */
-DART_EXPORT bool Dart_PostIntArray(Dart_Port port_id,
-                                   intptr_t length,
-                                   intptr_t* data);
-// TODO(turnidge): Should this be intptr_t or some fixed length type?
-// TODO(turnidge): Reverse length/data for consistency.
-
-/**
  * Posts a message for some isolate. The message is a serialized
  * object.
  *
@@ -1450,5 +1434,16 @@ struct Dart_CMessage {
   Dart_CObject* root;
 };
 
+/**
+ * Posts a message on some port. The message is built from a
+ * Dart_CMessage array.
+ *
+ * \param port_id The destination port.
+ * \param message The message to send.
+ *
+ * \return True if the message was posted.
+ */
+DART_EXPORT bool Dart_PostCMessage(Dart_Port port_id,
+                                   Dart_CMessage* message);
 
 #endif  // INCLUDE_DART_API_H_