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

content/child/webblobregistry_impl.cc

Index: content/child/webblobregistry_impl.cc
diff --git a/content/child/webblobregistry_impl.cc b/content/child/webblobregistry_impl.cc
index 0c33552ec21278b130f75b9c2e363c5c14157344..85575a9b4d3bcfb9c4bbeb25d41e286f36b8f6ea 100644
--- a/content/child/webblobregistry_impl.cc
+++ b/content/child/webblobregistry_impl.cc
@@ -238,20 +238,8 @@ void WebBlobRegistryImpl::BuilderImpl::appendFileSystemURL(
 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