memory_coordinator: Use component(target) instead of static_library(target)

components/memory_coordinator/common/client_registry.h

Index: components/memory_coordinator/common/client_registry.h
diff --git a/components/memory_coordinator/common/client_registry.h b/components/memory_coordinator/common/client_registry.h
index 593b9fa8faab816dfdc594c58b167e4b4089c2ae..ec5874f15c69f261017c7ec7b6be84da67581f99 100644
--- a/components/memory_coordinator/common/client_registry.h
+++ b/components/memory_coordinator/common/client_registry.h
@@ -7,12 +7,13 @@
 
 #include "base/observer_list_threadsafe.h"
 #include "components/memory_coordinator/common/memory_coordinator_client.h"
+#include "components/memory_coordinator/common/memory_coordinator_export.h"
 
 namespace memory_coordinator {
 
 // ClientRegistry is a base class of process-specific memory coordinator
 // and provides ways to register/unregister MemoryCoordinatorClients.
-class ClientRegistry {
+class MEMORY_COORDINATOR_EXPORT ClientRegistry {
  public:
   ClientRegistry();
   virtual ~ClientRegistry();