Rename FormData/FormDataBuilder to EncodedFormData/FormDataEncoder respectively.

Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp

Index: Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp
diff --git a/Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp b/Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp
index 90da3077e4764bf367e1aef6092db91aef3046cf..0ea62fd3c547f4ba02369db229cc8ac99569a0f5 100644
--- a/Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp
+++ b/Source/modules/fetch/FetchBlobDataConsumerHandleTest.cpp
@@ -365,7 +365,7 @@ TEST_F(FetchBlobDataConsumerHandleTest, DrainAsFormData)
     OwnPtr<FetchDataConsumerHandle> handle
         = FetchBlobDataConsumerHandle::create(&document(), blobDataHandle, factory);
 
-    RefPtr<FormData> formData = handle->obtainReader(nullptr)->drainAsFormData();
+    RefPtr<EncodedFormData> formData = handle->obtainReader(nullptr)->drainAsFormData();
     ASSERT_TRUE(formData);
     EXPECT_TRUE(formData->isSafeToSendToAnotherThread());
     ASSERT_EQ(1u, formData->elements().size());