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 95c2da75540df055f617b4546a69b75740f76c52..925e8bfa6d2632aa38bd156a27c51c4a6b2017c2 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;
 
@@ -524,6 +527,7 @@ void DelegatedFrameHost::EvictDelegatedFrame() {
   client_->DelegatedFrameHostGetLayer()->SetShowSolidColorContent();
   support_->EvictFrame();
   has_frame_ = false;
+  resize_lock_.reset();
   frame_evictor_->DiscardedFrame();
   UpdateGutters();
 }