Expose Fetch API related classes to Window and WorkerGlobalScope.

LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt

Index: LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt
diff --git a/LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt b/LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt
index 4c00f23e630576777ef54ccfbac9ab50f58abd99..ddc5ee46c251078cb66ab83432eb66e1a20b70a5 100644
--- a/LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt
+++ b/LayoutTests/webexposed/global-interface-listing-shared-worker-expected.txt
@@ -234,6 +234,14 @@ Starting worker: resources/global-interface-listing.js
 [Worker]     method call
 [Worker]     method constructor
 [Worker]     method toString
+[Worker] interface Headers
+[Worker]     method append
+[Worker]     method constructor
+[Worker]     method delete
+[Worker]     method get
+[Worker]     method getAll
+[Worker]     method has
+[Worker]     method set
 [Worker] interface IDBCursor
 [Worker]     method advance
 [Worker]     method constructor
@@ -404,6 +412,20 @@ Starting worker: resources/global-interface-listing.js
 [Worker]     method exec
 [Worker]     method test
 [Worker]     method toString
+[Worker] interface Request
+[Worker]     method arrayBuffer
+[Worker]     method blob
+[Worker]     method clone
+[Worker]     method constructor
+[Worker]     method json
+[Worker]     method text
+[Worker] interface Response
+[Worker]     method arrayBuffer
+[Worker]     method blob
+[Worker]     method clone
+[Worker]     method constructor
+[Worker]     method json
+[Worker]     method text
 [Worker] interface Set
 [Worker]     getter size
 [Worker]     method add