[Memory-UMA] Implement basic working prototype.

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..a7cfd96039929494ac2b09c291f5dc01f0e4d9e9 100644
--- a/services/resource_coordinator/memory/coordinator/coordinator_impl.h
+++ b/services/resource_coordinator/memory/coordinator/coordinator_impl.h
@@ -14,9 +14,14 @@
 #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"
 
+namespace service_manager {
+class Connector;
+}
+
 namespace memory_instrumentation {
 
 class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
@@ -24,7 +29,8 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
   // The getter of the unique instance.
   static CoordinatorImpl* GetInstance();
 
-  explicit CoordinatorImpl(bool initialize_memory_dump_manager);
+  CoordinatorImpl(bool initialize_memory_dump_manager,
+                  service_manager::Connector* connector);
 
   // Coordinator
   void BindCoordinatorRequest(
@@ -35,6 +41,11 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
     return initialize_memory_dump_manager_;
   }
 
+ protected:
+  // virtual for testing.
+  virtual service_manager::Identity GetDispatchContext() const;
+  ~CoordinatorImpl() override;
+
  private:
   friend std::default_delete<CoordinatorImpl>;  // For testing
   friend class CoordinatorImplTest;             // For testing
@@ -47,10 +58,12 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
     const RequestGlobalMemoryDumpCallback callback;
 
     // Collects the data received from OnProcessMemoryDumpResponse().
-    std::vector<mojom::ProcessMemoryDumpPtr> process_memory_dumps;
+    std::vector<std::pair<base::ProcessId, mojom::ProcessMemoryDumpPtr>>
+        process_memory_dumps;
   };
 
-  ~CoordinatorImpl() override;
+  using ProcessLocalDumpManagerEntry =
+      std::pair<mojom::ProcessLocalDumpManagerPtr, service_manager::Identity>;
 
   // mojom::Coordinator
   void RegisterProcessLocalDumpManager(
@@ -77,10 +90,10 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
   void PerformNextQueuedGlobalMemoryDump();
   void FinalizeGlobalMemoryDumpIfAllManagersReplied();
 
-  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 +105,8 @@ class CoordinatorImpl : public Coordinator, public mojom::Coordinator {
 
   base::ThreadChecker thread_checker_;
 
+  std::unique_ptr<ProcessMap> process_map_;
+
   DISALLOW_COPY_AND_ASSIGN(CoordinatorImpl);
 };