ServiceWorkerCache: Support response body in blob form.

content/renderer/service_worker/embedded_worker_context_client.cc

Index: content/renderer/service_worker/embedded_worker_context_client.cc
diff --git a/content/renderer/service_worker/embedded_worker_context_client.cc b/content/renderer/service_worker/embedded_worker_context_client.cc
index ad864e69b18c3c3fc5f36b1a595ffe8aceb8901f..9dba6cbda2d977172707f6261131c97689030dd9 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.cc
+++ b/content/renderer/service_worker/embedded_worker_context_client.cc
@@ -292,7 +292,8 @@ void EmbeddedWorkerContextClient::didHandleFetchEvent(
                                  web_response.statusText().utf8(),
                                  web_response.responseType(),
                                  headers,
-                                 web_response.blobUUID().utf8());
+                                 web_response.blobUUID().utf8(),
+                                 web_response.blobSize());
   script_context_->DidHandleFetchEvent(
       request_id, SERVICE_WORKER_FETCH_EVENT_RESULT_RESPONSE, response);
 }