Capitalize Blob in FormData type methods

Author: NColey

baselines/dom.generated.d.ts

@@ -3796,12 +3796,12 @@ declare var FocusNavigationEvent: {
 }
 
 interface FormData {
-    append(name: string, value: string | blob, fileName?: string): void;
+    append(name: string, value: string | Blob, fileName?: string): void;
     delete(name: string): void;
     get(name: string): FormDataEntryValue | null;
     getAll(name: string): FormDataEntryValue[];
     has(name: string): boolean;
-    set(name: string, value: string | blob, fileName?: string): void;
+    set(name: string, value: string | Blob, fileName?: string): void;
 }
 
 declare var FormData: {

inputfiles/addedTypes.json

@@ -1573,6 +1573,6 @@
         "interface": "FormData",
         "name": "set",
         "flavor": "Web",
-        "signatures": ["set(name: string, value: string | blob, fileName?: string): void"]
+        "signatures": ["set(name: string, value: string | Blob, fileName?: string): void"]
     }
 ]

inputfiles/overridingTypes.json

@@ -1022,6 +1022,6 @@
         "interface": "FormData",
         "name": "append",
         "flavor": "Web",
-        "signatures": ["append(name: string, value: string | blob, fileName?: string): void"]
+        "signatures": ["append(name: string, value: string | Blob, fileName?: string): void"]
     }
  ]