Implement File constructor.

Source/bindings/v8/custom/V8BlobCustom.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 32 matching lines @@
 
 void V8Blob::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (!info.Length()) {
         RefPtr<Blob> blob = Blob::create();
         info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
         return;
     }
 
     v8::Local<v8::Value> firstArg = info[0];
+    // FIXME: handle WebIDL sequences, see http://crbug.com/314755
     if (!firstArg->IsArray()) {
         throwTypeError("First argument of the constructor is not of type Array", info.GetIsolate());
         return;
     }
 
     String type;
     String endings = "transparent";
 
     if (info.Length() > 1) {
         if (!info[1]->IsObject()) {
@@ skipping 41 matching lines @@
         } else if (V8Blob::HasInstance(item, info.GetIsolate(), worldType(info.GetIsolate()))) {
             Blob* blob = V8Blob::toNative(v8::Handle<v8::Object>::Cast(item));
             ASSERT(blob);
             blobBuilder.append(blob);
         } else {
             V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringValue, item);
             blobBuilder.append(stringValue, endings);
         }
     }
 
-    RefPtr<Blob> blob = blobBuilder.getBlob(type);
+    RefPtr<Blob> blob = blobBuilder.createBlob(type);
     info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
 }
 
 } // namespace WebCore