Remove RFHM::IsPendingDeletion

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index a24d736e005df4ab896dbd649d998c286bf3a08f..25b942cda647a29c73c97a34b2481a7c0962f4c7 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -708,15 +708,6 @@ void RenderFrameHostManager::MoveToPendingDeleteHosts(
   pending_delete_hosts_.push_back(std::move(render_frame_host));
 }
 
-bool RenderFrameHostManager::IsPendingDeletion(
-    RenderFrameHostImpl* render_frame_host) {
-  for (const auto& rfh : pending_delete_hosts_) {
-    if (rfh.get() == render_frame_host)
-      return true;
-  }
-  return false;
-}
-
 bool RenderFrameHostManager::IsViewPendingDeletion(
     RenderViewHostImpl* render_view_host) {
   // Only safe to call this on the main frame.