Extract SyncLoadResponse struct from ResourceLoaderBridge.

content/child/sync_load_response.cc

Index: content/child/sync_load_response.cc
diff --git a/content/browser/frame_host/navigator_delegate.cc b/content/child/sync_load_response.cc
similarity index 62%
copy from content/browser/frame_host/navigator_delegate.cc
copy to content/child/sync_load_response.cc
index a284c0f7aa4f468b1276dd2e5101b6041a878da3..163153aa23766cc3a0b71a8fa8e1730efdb7a464 100644
--- a/content/browser/frame_host/navigator_delegate.cc
+++ b/content/child/sync_load_response.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/browser/frame_host/navigator_delegate.h"
+#include "content/child/sync_load_response.h"
 
 namespace content {
 
-bool NavigatorDelegate::CanOverscrollContent() {
-  return false;
-}
+SyncLoadResponse::SyncLoadResponse() {}
+
+SyncLoadResponse::~SyncLoadResponse() {}
 
 }  // namespace content