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

gpu/command_buffer/service/renderbuffer_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
@@ skipping 43 matching lines @@
       max_renderbuffer_size_(max_renderbuffer_size),
       max_samples_(max_samples),
       feature_info_(feature_info),
       num_uncleared_renderbuffers_(0),
       renderbuffer_count_(0),
       have_context_(true) {
   // When created from InProcessCommandBuffer, we won't have a |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());
   }
 }
 
 RenderbufferManager::~RenderbufferManager() {
   DCHECK(renderbuffers_.empty());
   // If this triggers, that means something is keeping a reference to
   // a Renderbuffer belonging to this.
   CHECK_EQ(renderbuffer_count_, 0u);
 
   DCHECK_EQ(0, num_uncleared_renderbuffers_);
@@ skipping 188 matching lines @@
     auto guid = gfx::GetGLRenderbufferGUIDForTracing(
         memory_tracker_->ShareGroupTracingGUID(), client_renderbuffer_id);
     pmd->CreateSharedGlobalAllocatorDump(guid);
     pmd->AddOwnershipEdge(dump->guid(), guid);
   }
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu