[BlobAsync] Faster shortcuttin, make renderer controller leaky & alive.

content/child/webblobregistry_impl.cc

 // Copyright 2013 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 "content/child/webblobregistry_impl.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/location.h"
@@ skipping 220 matching lines @@
     uint64_t length,
     double expected_modification_time) {
   DCHECK(GURL(fileSystemURL).SchemeIsFileSystem());
   consolidation_->AddFileSystemItem(GURL(fileSystemURL), offset, length,
                                     expected_modification_time);
 }
 
 void WebBlobRegistryImpl::BuilderImpl::build() {
   sender_->Send(new BlobStorageMsg_RegisterBlobUUID(
       uuid_, content_type_, "", consolidation_->referenced_blobs()));
-  io_runner_->PostTask(
-      FROM_HERE,
-      base::Bind(&WebBlobRegistryImpl::StartBlobAsyncConstruction, uuid_,
-                 base::Passed(&consolidation_), sender_, main_runner_));
-}
-
-/* static */
-void WebBlobRegistryImpl::StartBlobAsyncConstruction(
-    const std::string& uuid,
-    scoped_ptr<BlobConsolidation> consolidation,
-    scoped_refptr<ThreadSafeSender> sender,
-    scoped_refptr<base::SingleThreadTaskRunner> main_runner) {
-  BlobTransportController::GetInstance()->InitiateBlobTransfer(
-      uuid, std::move(consolidation), sender.get(), std::move(main_runner));
+  BlobTransportController::InitiateBlobTransfer(
+      uuid_, std::move(consolidation_), sender_, io_runner_, main_runner_);
 }
 
 }  // namespace content