[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 d75f7aaa690b4b5a2442be1d1797cb642a86eb92..c9e7922d0f28502affcaec063ae112f6bf564dc9 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"
@@ -450,10 +452,7 @@ void GpuMemoryBufferVideoFramePool::PoolImpl::CreateHardwareFrame(
 bool GpuMemoryBufferVideoFramePool::PoolImpl::OnMemoryDump(
     const base::trace_event::MemoryDumpArgs& args,
     base::trace_event::ProcessMemoryDump* pmd) {
-  const uint64_t tracing_process_id =
-      base::trace_event::MemoryDumpManager::GetInstance()
-          ->GetTracingProcessId();
-  const int kImportance = 2;
+  // const int kImportance = 2;
   for (const FrameResources* frame_resources : resources_pool_) {
     for (const PlaneResource& plane_resource :
          frame_resources->plane_resources) {
@@ -472,11 +471,11 @@ bool GpuMemoryBufferVideoFramePool::PoolImpl::OnMemoryDump(
         dump->AddScalar("free_size",
                         base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                         frame_resources->IsInUse() ? 0 : buffer_size_in_bytes);
-        base::trace_event::MemoryAllocatorDumpGuid shared_buffer_guid =
-            gfx::GetGpuMemoryBufferGUIDForTracing(tracing_process_id,
-                                                  buffer_id);
-        pmd->CreateSharedGlobalAllocatorDump(shared_buffer_guid);
-        pmd->AddOwnershipEdge(dump->guid(), shared_buffer_guid, kImportance);
+        // TODO: Fix this
+        /*base::SharedMemory* shared_memory =
+            plane_resource.gpu_memory_buffer->GetHandle();
+        base::SharedMemoryTracker::AddOwnershipEdges(
+        pmd, dump, *shared_memory, buffer_size_in_bytes);*/
       }
     }
   }