[WIP] Add SharedMemoryTracker to dump base::SharedMemory usage

ui/gl/gl_image_shared_memory.cc

 // Copyright 2014 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 "ui/gl/gl_image_shared_memory.h"
 
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
+#include "base/memory/shared_memory_dump_provider.h"
 #include "base/numerics/safe_math.h"
 #include "base/process/process_handle.h"
 #include "base/sys_info.h"
 #include "base/trace_event/memory_allocator_dump.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "ui/gfx/buffer_format_util.h"
 
 namespace gl {
 
@@ skipping 65 matching lines @@
   base::trace_event::MemoryAllocatorDump* dump =
       pmd->CreateAllocatorDump(dump_name + "/shared_memory");
   dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   static_cast<uint64_t>(size_in_bytes));
 
   auto guid = GetGenericSharedMemoryGUIDForTracing(process_tracing_id,
                                                    shared_memory_id_);
   pmd->CreateSharedGlobalAllocatorDump(guid);
   pmd->AddOwnershipEdge(dump->guid(), guid);
+  base::SharedMemoryDumpProvider::GetInstance()->AddSuballocation(pmd,
+                                                                  dump->guid());
 }
 
 }  // namespace gl