[Autofill] Migrate ChromePasswordManagerClient<-->PasswordGenerationAgent IPCs to mojo.

content/public/common/associated_interface_provider.h

Index: content/public/common/associated_interface_provider.h
diff --git a/content/public/common/associated_interface_provider.h b/content/public/common/associated_interface_provider.h
index f1c495b1a0fbe8cfb278cdeb40a1452cbcfa0a9b..400cdb2f19dd4f961b06df502b76e413c53058ec 100644
--- a/content/public/common/associated_interface_provider.h
+++ b/content/public/common/associated_interface_provider.h
@@ -49,6 +49,11 @@ class AssociatedInterfaceProvider {
         mojo::GetProxy(proxy, GetAssociatedGroup());
     GetInterface(Interface::Name_, request.PassHandle());
   }
+
+  virtual void OverrideBinderForTesting(
+      const std::string& name,
+      const base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>&
+          binder) = 0;
 };
 
 }  // namespace content