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

gpu/command_buffer/service/renderbuffer_manager.cc

Index: gpu/command_buffer/service/renderbuffer_manager.cc
diff --git a/gpu/command_buffer/service/renderbuffer_manager.cc b/gpu/command_buffer/service/renderbuffer_manager.cc
index d9c82ae6c465b72759bb8e70081808a902fb3ffb..a8416f04b3872f0d97616ad2c1e1bf0ab86db0e0 100644
--- a/gpu/command_buffer/service/renderbuffer_manager.cc
+++ b/gpu/command_buffer/service/renderbuffer_manager.cc
@@ -61,7 +61,7 @@ RenderbufferManager::RenderbufferManager(MemoryTracker* memory_tracker,
   // so don't register a dump provider.
   if (memory_tracker_) {
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
-        this, base::ThreadTaskRunnerHandle::Get());
+        this, "gpu::RenderbufferManager", base::ThreadTaskRunnerHandle::Get());
   }
 }