Revert "Move WebSocketHandleImpl into Blink"

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index c68e0df855e2d299d5d40c94694cd2afa095d36e..95165ffa90454bbfe6eec5fffa8ab0de4559597b 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -132,6 +132,7 @@
 #include "content/renderer/web_frame_utils.h"
 #include "content/renderer/web_ui_extension.h"
 #include "content/renderer/websharedworker_proxy.h"
+#include "content/renderer/websockethandle_impl.h"
 #include "crypto/sha2.h"
 #include "gin/modules/module_registry.h"
 #include "media/audio/audio_output_device.h"
@@ -4306,6 +4307,15 @@ blink::WebPushClient* RenderFrameImpl::pushClient() {
   return push_messaging_dispatcher_;
 }
 
+void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
+  // Initialize the WebSocketHandle with our InterfaceProvider to provide the
+  // WebSocket implementation with context about this frame. This is important
+  // so that the browser can show UI associated with the WebSocket (e.g., for
+  // certificate errors).
+  static_cast<WebSocketHandleImpl*>(handle)->Initialize(
+      blink_interface_provider_.get());
+}
+
 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
     blink::WebRTCPeerConnectionHandler* handler) {
 #if defined(ENABLE_WEBRTC)