Force release the worker ref count to release the process in BrowserContext::NotifyWillBeDestroyed()

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 423b74e9062919e14513f9e230282ed43640d30f..d6e2557692d044111db92607c7d77e715229dacc 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -615,6 +615,7 @@ RenderProcessHostImpl::RenderProcessHostImpl(
 #endif
       worker_ref_count_(0),
       max_worker_count_(0),
+      worker_ref_count_disabled_(false),
       permission_service_context_(new PermissionServiceContext(this)),
       channel_connected_(false),
       sent_render_process_ready_(false),
@@ -1248,6 +1249,7 @@ bool RenderProcessHostImpl::IsProcessBackgrounded() const {
 
 void RenderProcessHostImpl::IncrementWorkerRefCount() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  DCHECK(!worker_ref_count_disabled_);
   ++worker_ref_count_;
   if (worker_ref_count_ > max_worker_count_)
     max_worker_count_ = worker_ref_count_;
@@ -1255,12 +1257,22 @@ void RenderProcessHostImpl::IncrementWorkerRefCount() {
 
 void RenderProcessHostImpl::DecrementWorkerRefCount() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  DCHECK(!worker_ref_count_disabled_);
   DCHECK_GT(worker_ref_count_, 0);
   --worker_ref_count_;
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
+void RenderProcessHostImpl::ForceReleaseWorkerRefCount() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  worker_ref_count_disabled_ = true;
+  if (!worker_ref_count_)
+    return;
+  worker_ref_count_ = 0;
+  Cleanup();
+}
+
 void RenderProcessHostImpl::PurgeAndSuspend() {
   Send(new ChildProcessMsg_PurgeAndSuspend());
 }