Remove discardable_memory::DSMM::{Create,Get}Instance()

components/discardable_memory/service/discardable_shared_memory_manager.h

Index: components/discardable_memory/service/discardable_shared_memory_manager.h
diff --git a/components/discardable_memory/service/discardable_shared_memory_manager.h b/components/discardable_memory/service/discardable_shared_memory_manager.h
index 7df57de9c51a1c0e16e2263c64ad913e452ad10f..9491af4b6634a2b19937d7d3f4e0686657ab6811 100644
--- a/components/discardable_memory/service/discardable_shared_memory_manager.h
+++ b/components/discardable_memory/service/discardable_shared_memory_manager.h
@@ -44,12 +44,6 @@ class DISCARDABLE_MEMORY_EXPORT DiscardableSharedMemoryManager
   DiscardableSharedMemoryManager();
   ~DiscardableSharedMemoryManager() override;
 
-  // Create a sigleton instance.
-  static DiscardableSharedMemoryManager* CreateInstance();
-
-  // Returns a singleton instance.
-  static DiscardableSharedMemoryManager* GetInstance();
-
   // Bind the manager to a mojo interface request.
   void Bind(mojom::DiscardableSharedMemoryManagerRequest request);