[tracing] Add names to memory-infra dumpers for debugging

cc/output/output_surface.cc

Index: cc/output/output_surface.cc
diff --git a/cc/output/output_surface.cc b/cc/output/output_surface.cc
index e7c4e9310d087f15cc93e3adf41dae06d212c49f..d41c1958bd53cfcf334c6ff5f80a1c190a6a7544 100644
--- a/cc/output/output_surface.cc
+++ b/cc/output/output_surface.cc
@@ -230,7 +230,7 @@ bool OutputSurface::BindToClient(OutputSurfaceClient* client) {
     // thread's task runner. This will overwrite any previous dump provider
     // registered.
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
-        this, base::ThreadTaskRunnerHandle::Get());
+        this, "OutputSurface", base::ThreadTaskRunnerHandle::Get());
   }
 
   return success;