Revert of [Mojo-Loading] Dispatch body data after response is received

content/child/url_response_body_consumer.cc

Index: content/child/url_response_body_consumer.cc
diff --git a/content/child/url_response_body_consumer.cc b/content/child/url_response_body_consumer.cc
index 5016ee3a5b6c0646e383d43c26b745bbcdd6c816..6874b5053a77b1b5b70d69294da7257ef86790e3 100644
--- a/content/child/url_response_body_consumer.cc
+++ b/content/child/url_response_body_consumer.cc
@@ -49,13 +49,7 @@
       resource_dispatcher_(resource_dispatcher),
       handle_(std::move(handle)),
       handle_watcher_(task_runner),
-      has_seen_end_of_data_(!handle_.is_valid()) {}
-
-URLResponseBodyConsumer::~URLResponseBodyConsumer() {}
-
-void URLResponseBodyConsumer::Start(base::SingleThreadTaskRunner* task_runner) {
-  if (has_been_cancelled_)
-    return;
+      has_seen_end_of_data_(!handle_.is_valid()) {
   handle_watcher_.Start(
       handle_.get(), MOJO_HANDLE_SIGNAL_READABLE,
       base::Bind(&URLResponseBodyConsumer::OnReadable, base::Unretained(this)));
@@ -63,6 +57,8 @@
       FROM_HERE, base::Bind(&URLResponseBodyConsumer::OnReadable, AsWeakPtr(),
                             MOJO_RESULT_OK));
 }
+
+URLResponseBodyConsumer::~URLResponseBodyConsumer() {}
 
 void URLResponseBodyConsumer::OnComplete(
     const ResourceRequestCompletionStatus& status) {