Implement File constructor.

Source/bindings/v8/custom/V8BlobCustomHelpers.h

 /*
  * Copyright (C) 2013 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "config.h"
-#include "bindings/v8/ScriptPromise.h"
-
 #include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8DOMWrapper.h"
-#include "bindings/v8/custom/V8PromiseCustom.h"
-
-#include <v8.h>
 
 namespace WebCore {
 
-ScriptPromise ScriptPromise::createPending(ExecutionContext* context)
-{
-    ASSERT(v8::Context::InContext());
-    ASSERT(context);
-    v8::Isolate* isolate = toIsolate(context);
-    v8::Handle<v8::Object> promise = V8PromiseCustom::createPromise(toV8Context(context, DOMWrapperWorld::current())->Global(), isolate);
-    return ScriptPromise(promise, isolate);
-}
+class BlobBuilder;
 
-ScriptPromise ScriptPromise::createPending()
-{
-    ASSERT(v8::Context::InContext());
-    v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    v8::Handle<v8::Object> promise = V8PromiseCustom::createPromise(v8::Object::New(), isolate);
-    return ScriptPromise(promise, isolate);
-}
+// Shared code between the custom constructor bindings for Blob and File.
+namespace V8BlobCustomHelpers {
+
+// Extracts the "type" and "endings" properties out of the BlobPropertyBag passed to a Blob constructor.
+// http://www.w3.org/TR/FileAPI/#constructorParams
+// Returns true if everything went well, false if a JS exception was thrown.
+bool processBlobPropertyBag(v8::Local<v8::Value> propertyBag, v8::Isolate*, String& contentType, String& endings);
+
+// Appends the blobParts passed to a Blob constructor into a BlobBuilder.
+// http://www.w3.org/TR/FileAPI/#constructorParams
+// Returns true if everything went well, false if a JS exception was thrown.
+bool processBlobParts(v8::Local<v8::Value> blobParts, v8::Isolate*, const String& endings, BlobBuilder&);
+
+} // namespace V8BlobCustomHelpers
 
 } // namespace WebCore