[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 e2b4d837d30932d7aaab7914f9d661ff6f6ee2a7..8be96fea9c9d27dadcf3a5758dbb660a37818b6b 100644
--- a/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
+++ b/third_party/WebKit/Source/modules/fetch/FetchDataLoader.h
@@ -15,6 +15,7 @@
 namespace blink {
 
 class BytesConsumer;
+class FormData;
 
 // FetchDataLoader subclasses
 // 1. take a BytesConsumer,
@@ -35,17 +36,16 @@ class MODULES_EXPORT FetchDataLoader
 
     // 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();
-    }
-    virtual void didFetchDataLoadedString(const String&) {
-      ASSERT_NOT_REACHED();
+      NOTREACHED();
     }
+    virtual void didFetchDataLoadedFormData(FormData*) { NOTREACHED(); }
+    virtual void didFetchDataLoadedString(const String&) { 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(); }
+    virtual void didFetchDataLoadedStream() { NOTREACHED(); }
 
     virtual void didFetchDataLoadFailed() = 0;
 
@@ -54,6 +54,8 @@ class MODULES_EXPORT FetchDataLoader
 
   static FetchDataLoader* createLoaderAsBlobHandle(const String& mimeType);
   static FetchDataLoader* createLoaderAsArrayBuffer();
+  static FetchDataLoader* createLoaderAsFormData(
+      const String& multipartBoundary);
   static FetchDataLoader* createLoaderAsString();
   static FetchDataLoader* createLoaderAsStream(Stream* outStream);