[Fetch API] Implement Request.formData and Response.formData.

third_party/WebKit/Source/modules/fetch/FetchDataLoader.h

Index: third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
diff --git a/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h b/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
index b44e72332aa096f70a63b64241eab4472dd4e6a5..75e6e468ac5a98cbf7c54fe3d2a26501a9206c5e 100644
--- a/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
+++ b/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
@@ -16,6 +16,7 @@
 namespace blink {
 
 class BytesConsumer;
+class FormData;
 
 // FetchDataLoader subclasses
 // 1. take a BytesConsumer,
@@ -36,21 +37,25 @@ public:
         // The method corresponding to createLoaderAs... is called on success.
         virtual void didFetchDataLoadedBlobHandle(PassRefPtr<BlobDataHandle>)
         {
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
         }
         virtual void didFetchDataLoadedArrayBuffer(DOMArrayBuffer*)
         {
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
+        }
+        virtual void didFetchDataLoadedFormData(FormData*)
+        {
+            NOTREACHED();
         }
         virtual void didFetchDataLoadedString(const String&)
         {
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
         }
         // This is called after all data are read from |handle| and written
         // to |outStream|, and |outStream| is closed or aborted.
         virtual void didFetchDataLoadedStream()
         {
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
         }
 
         virtual void didFetchDataLoadFailed() = 0;
@@ -60,6 +65,7 @@ public:
 
     static FetchDataLoader* createLoaderAsBlobHandle(const String& mimeType);
     static FetchDataLoader* createLoaderAsArrayBuffer();
+    static FetchDataLoader* createLoaderAsFormData(const String& multipartBoundary);
     static FetchDataLoader* createLoaderAsString();
     static FetchDataLoader* createLoaderAsStream(Stream* outStream);