IndexedDB: Ensure that blobs in unused prefetches are acked

content/browser/indexed_db/indexed_db_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 395 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithGCExposed, BlobDidAck) {
   SimpleTest(GetTestUrl("indexeddb", "blob_did_ack.html"));
   content::ChromeBlobStorageContext* blob_context =
       ChromeBlobStorageContext::GetFor(
           shell()->web_contents()->GetBrowserContext());
   EXPECT_EQ(0UL, blob_context->context()->blob_count());
 }
 
+IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithGCExposed, BlobDidAckPrefetch) {
+  SimpleTest(GetTestUrl("indexeddb", "blob_did_ack_prefetch.html"));
+  content::ChromeBlobStorageContext* blob_context =
+      ChromeBlobStorageContext::GetFor(
+          shell()->web_contents()->GetBrowserContext());
+  EXPECT_EQ(0UL, blob_context->context()->blob_count());
+}
+
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest, BlobsCountAgainstQuota) {
   SimpleTest(GetTestUrl("indexeddb", "blobs_use_quota.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest, DeleteForOriginDeletesBlobs) {
   SimpleTest(GetTestUrl("indexeddb", "write_20mb_blob.html"));
   int64 size = RequestDiskUsage();
   // This assertion assumes that we do not compress blobs.
   EXPECT_GT(size, 20 << 20 /* 20 MB */);
   GetContext()->TaskRunner()->PostTask(
@@ skipping 332 matching lines @@
     command_line->AppendSwitch(switches::kSingleProcess);
   }
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestSingleProcess,
                        RenderThreadShutdownTest) {
   SimpleTest(GetTestUrl("indexeddb", "shutdown_with_requests.html"));
 }
 
 }  // namespace content