ui: Prevent DelegatedFrameHost from taking CompositorResizeLock forever

content/browser/renderer_host/delegated_frame_host.cc

Index: content/browser/renderer_host/delegated_frame_host.cc
diff --git a/content/browser/renderer_host/delegated_frame_host.cc b/content/browser/renderer_host/delegated_frame_host.cc
index 3d2a3d3754fd738992d31698069d3794d3b7c33d..0fea78212cc33125f14976138ab3df4df39a1667 100644
--- a/content/browser/renderer_host/delegated_frame_host.cc
+++ b/content/browser/renderer_host/delegated_frame_host.cc
@@ -90,6 +90,9 @@ void DelegatedFrameHost::MaybeCreateResizeLock() {
           switches::kDisableResizeLock))
     return;
 
+  if (!has_frame_)
+    return;
+
   if (!client_->DelegatedFrameCanCreateResizeLock())
     return;
 
@@ -525,6 +528,7 @@ void DelegatedFrameHost::EvictDelegatedFrame() {
   client_->DelegatedFrameHostGetLayer()->SetShowSolidColorContent();
   support_->EvictFrame();
   has_frame_ = false;
+  resize_lock_.reset();
   delegated_frame_evictor_->DiscardedFrame();
   UpdateGutters();
 }