BrowserMainLoop owns FrameSinkManagerHost

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index aa8fa9b89f30b8b5346cb10ad3302ffa60dbb203..c6f372346db3003ab896b0fbdc1184400442716a 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -53,6 +53,7 @@
 #include "components/tracing/common/trace_to_console.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "components/viz/display_compositor/host_shared_bitmap_manager.h"
+#include "components/viz/host/frame_sink_manager_host.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/dom_storage/dom_storage_area.h"
@@ -705,6 +706,8 @@ void BrowserMainLoop::PostMainMessageLoopStart() {
       base::DiscardableMemoryAllocator::SetInstance(
           discardable_shared_memory_manager_.get());
     }
+    frame_sink_manager_host_ = base::MakeUnique<viz::FrameSinkManagerHost>();
+    frame_sink_manager_host_->ConnectToFrameSinkManager();
   }
 
   if (parts_)