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

media/video/gpu_memory_buffer_video_frame_pool.cc

Index: media/video/gpu_memory_buffer_video_frame_pool.cc
diff --git a/media/video/gpu_memory_buffer_video_frame_pool.cc b/media/video/gpu_memory_buffer_video_frame_pool.cc
index 04021f520ca85059efc44e044d7b6e6da6f32839..cc2d05a9a032b6137785d5ef7a163be247106f9e 100644
--- a/media/video/gpu_memory_buffer_video_frame_pool.cc
+++ b/media/video/gpu_memory_buffer_video_frame_pool.cc
@@ -19,6 +19,8 @@
 #include "base/containers/stack_container.h"
 #include "base/location.h"
 #include "base/macros.h"
+#include "base/memory/shared_memory.h"
+#include "base/memory/shared_memory_tracker.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/memory_dump_provider.h"
@@ -29,7 +31,6 @@
 #include "media/renderers/gpu_video_accelerator_factories.h"
 #include "third_party/libyuv/include/libyuv.h"
 #include "ui/gfx/buffer_format_util.h"
-#include "ui/gfx/gpu_memory_buffer_tracing.h"
 #include "ui/gl/trace_util.h"
 
 namespace media {
@@ -472,11 +473,19 @@ bool GpuMemoryBufferVideoFramePool::PoolImpl::OnMemoryDump(
         dump->AddScalar("free_size",
                         base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                         frame_resources->IsInUse() ? 0 : buffer_size_in_bytes);
-        auto shared_buffer_guid =
-            plane_resource.gpu_memory_buffer->GetGUIDForTracing(
-                tracing_process_id);
-        pmd->CreateSharedGlobalAllocatorDump(shared_buffer_guid);
-        pmd->AddOwnershipEdge(dump->guid(), shared_buffer_guid, kImportance);
+
+        base::SharedMemory* shared_memory =
+            plane_resource.gpu_memory_buffer->GetSharedMemory();
+        if (shared_memory) {
+          base::SharedMemoryTracker::AddOwnershipEdges(pmd, dump->guid(),
+                                                       *shared_memory);
+        } else {
+          auto shared_buffer_guid =
+              plane_resource.gpu_memory_buffer->GetGUIDForTracing(
+                  tracing_process_id);
+          pmd->CreateSharedGlobalAllocatorDump(shared_buffer_guid);
+          pmd->AddOwnershipEdge(dump->guid(), shared_buffer_guid, kImportance);
+        }
       }
     }
   }