- Modify dart_api.h to be a proper C API.

runtime/bin/file.cc

Index: runtime/bin/file.cc
===================================================================
--- runtime/bin/file.cc	(revision 23447)
+++ runtime/bin/file.cc	(working copy)
@@ -571,7 +571,8 @@
 
     int64_t stat_data[File::kStatSize];
     File::Stat(path, stat_data);
-    Dart_Handle returned_data = Dart_NewTypedData(kInt64, File::kStatSize);
+    Dart_Handle returned_data = Dart_NewTypedData(Dart_TypedData_kInt64,
+                                                  File::kStatSize);
     if (Dart_IsError(returned_data)) Dart_PropagateError(returned_data);
     Dart_TypedData_Type data_type_unused;
     void* data_location;
@@ -962,22 +963,22 @@
 }
 
 
-static int SizeInBytes(Dart_CObject::TypedDataType type) {
+static int SizeInBytes(Dart_TypedData_Type type) {
   switch (type) {
-    case Dart_CObject::kInt8Array:
-    case Dart_CObject::kUint8Array:
-    case Dart_CObject::kUint8ClampedArray:
+    case Dart_TypedData_kInt8:
+    case Dart_TypedData_kUint8:
+    case Dart_TypedData_kUint8Clamped:
       return 1;
-    case Dart_CObject::kInt16Array:
-    case Dart_CObject::kUint16Array:
+    case Dart_TypedData_kInt16:
+    case Dart_TypedData_kUint16:
       return 2;
-    case Dart_CObject::kInt32Array:
-    case Dart_CObject::kUint32Array:
-    case Dart_CObject::kFloat32Array:
+    case Dart_TypedData_kInt32:
+    case Dart_TypedData_kUint32:
+    case Dart_TypedData_kFloat32:
       return 4;
-    case Dart_CObject::kInt64Array:
-    case Dart_CObject::kUint64Array:
-    case Dart_CObject::kFloat64Array:
+    case Dart_TypedData_kInt64:
+    case Dart_TypedData_kUint64:
+    case Dart_TypedData_kFloat64:
       return 8;
     default:
       break;
@@ -1142,7 +1143,7 @@
                  Dart_CObject* message) {
   CObject* response = CObject::IllegalArgumentError();
   CObjectArray request(message);
-  if (message->type == Dart_CObject::kArray) {
+  if (message->type == Dart_CObject_kArray) {
     if (request.Length() > 1 && request[0]->IsInt32()) {
       CObjectInt32 requestType(request[0]);
       switch (requestType.Value()) {