Revert "Port WebSockets to Mojo IPC"

content/child/child_thread_impl.cc

Index: content/child/child_thread_impl.cc
diff --git a/content/child/child_thread_impl.cc b/content/child/child_thread_impl.cc
index 6f7360358daae3d50a0eaaa168e18618227b1be3..e4e008bbd3282345456ea233ee7a93892d8008dc 100644
--- a/content/child/child_thread_impl.cc
+++ b/content/child/child_thread_impl.cc
@@ -49,6 +49,8 @@
 #include "content/child/resource_dispatcher.h"
 #include "content/child/service_worker/service_worker_message_filter.h"
 #include "content/child/thread_safe_sender.h"
+#include "content/child/websocket_dispatcher.h"
+#include "content/child/websocket_message_filter.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/in_process_child_thread_params.h"
 #include "content/common/mojo/constants.h"
@@ -468,6 +470,7 @@ void ChildThreadImpl::Init(const Options& options) {
 
   resource_dispatcher_.reset(new ResourceDispatcher(
       this, message_loop()->task_runner()));
+  websocket_dispatcher_.reset(new WebSocketDispatcher);
   file_system_dispatcher_.reset(new FileSystemDispatcher());
 
   histogram_message_filter_ = new ChildHistogramMessageFilter();
@@ -485,12 +488,16 @@ void ChildThreadImpl::Init(const Options& options) {
       new NotificationDispatcher(thread_safe_sender_.get());
   push_dispatcher_ = new PushDispatcher(thread_safe_sender_.get());
 
+  websocket_message_filter_ =
+      new WebSocketMessageFilter(websocket_dispatcher_.get());
+
   channel_->AddFilter(histogram_message_filter_.get());
   channel_->AddFilter(resource_message_filter_.get());
   channel_->AddFilter(quota_message_filter_->GetFilter());
   channel_->AddFilter(notification_dispatcher_->GetFilter());
   channel_->AddFilter(push_dispatcher_->GetFilter());
   channel_->AddFilter(service_worker_message_filter_->GetFilter());
+  channel_->AddFilter(websocket_message_filter_.get());
 
   if (!IsInBrowserProcess()) {
     // In single process mode, browser-side tracing and memory will cover the