Reorganize GUIDs for GPU memory buffers

gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc

Index: gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc
diff --git a/gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc b/gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc
index 0d0e85f0fc5114a735589861292dc06820ab5ccf..54423d51ceef266fe271be741f8bfa1725b01c56 100644
--- a/gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc
+++ b/gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.cc
@@ -12,6 +12,7 @@
 #include "base/numerics/safe_math.h"
 #include "base/process/memory.h"
 #include "ui/gfx/buffer_format_util.h"
+#include "ui/gfx/gpu_memory_buffer_tracing.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace gpu {
@@ -211,4 +212,10 @@ gfx::GpuMemoryBufferHandle GpuMemoryBufferImplSharedMemory::GetHandle() const {
   return handle;
 }
 
+base::trace_event::MemoryAllocatorDumpGuid
+GpuMemoryBufferImplSharedMemory::GetGUIDForTracing(
+    uint64_t tracing_process_id) const {
+  return gfx::GetSharedMemoryGUIDForTracing(tracing_process_id, id_);
+}
+
 }  // namespace gpu