[Memory-UMA] Add ProcessMap, an Identity to Pid map

services/resource_coordinator/memory/coordinator/coordinator_impl.h

Index: services/resource_coordinator/memory/coordinator/coordinator_impl.h
diff --git a/services/resource_coordinator/memory/coordinator/coordinator_impl.h b/services/resource_coordinator/memory/coordinator/coordinator_impl.h
index 096847b0f9aca14eb9cda21ab6d67f99d1cca09f..94f2d93134f2e74176b9ae855e5ad2d910019888 100644
--- a/services/resource_coordinator/memory/coordinator/coordinator_impl.h
+++ b/services/resource_coordinator/memory/coordinator/coordinator_impl.h
@@ -14,6 +14,7 @@
 #include "base/trace_event/memory_dump_request_args.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
+#include "services/resource_coordinator/memory/coordinator/process_map.h"
 #include "services/resource_coordinator/public/cpp/memory/coordinator.h"
 #include "services/resource_coordinator/public/interfaces/memory/memory_instrumentation.mojom.h"
 
@@ -50,6 +51,10 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
     std::vector<mojom::ProcessMemoryDumpPtr> process_memory_dumps;
   };
 
+  typedef std::pair<mojom::ProcessLocalDumpManagerPtr,
+                    service_manager::Identity>
+      ProcessLocalDumpManagerEntry;
+
   ~CoordinatorImpl() override;
 
   // mojom::Coordinator
@@ -76,11 +81,12 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
 
   void PerformNextQueuedGlobalMemoryDump();
   void FinalizeGlobalMemoryDumpIfAllManagersReplied();
+  void InitProcessMap();
 
-  mojo::BindingSet<mojom::Coordinator> bindings_;
+  mojo::BindingSet<mojom::Coordinator, service_manager::Identity> bindings_;
 
   // Registered ProcessLocalDumpManagers.
-  std::map<mojom::ProcessLocalDumpManager*, mojom::ProcessLocalDumpManagerPtr>
+  std::map<mojom::ProcessLocalDumpManager*, ProcessLocalDumpManagerEntry>
       process_managers_;
 
   // Pending process managers for RequestGlobalMemoryDump.
@@ -92,6 +98,8 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
 
   base::ThreadChecker thread_checker_;
 
+  std::unique_ptr<ProcessMap> process_map_;
+
   DISALLOW_COPY_AND_ASSIGN(CoordinatorImpl);
 };