Oilpan: fix build after r180648.

Source/modules/credentialmanager/CredentialManagerClient.h

Index: Source/modules/credentialmanager/CredentialManagerClient.h
diff --git a/Source/modules/credentialmanager/CredentialManagerClient.h b/Source/modules/credentialmanager/CredentialManagerClient.h
index 74a3b136d3ad4bb2234d9f2cb969aa72be07f2b6..4cc652c4e6261d5386f9182cccd65e3c9188a158 100644
--- a/Source/modules/credentialmanager/CredentialManagerClient.h
+++ b/Source/modules/credentialmanager/CredentialManagerClient.h
@@ -18,7 +18,7 @@ class WebURL;
 
 // CredentialManagerClient lives as a supplement to Page, and wraps the embedder-provided
 // WebCredentialManagerClient's methods to make them visible to the bindings code.
-class CredentialManagerClient FINAL : public NoBaseWillBeGarbageCollected<CredentialManagerClient>, public WillBeHeapSupplement<Page> {
+class CredentialManagerClient FINAL : public NoBaseWillBeGarbageCollectedFinalized<CredentialManagerClient>, public WillBeHeapSupplement<Page> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(CredentialManagerClient);
 public:
     explicit CredentialManagerClient(WebCredentialManagerClient*);
@@ -43,4 +43,3 @@ void provideCredentialManagerClientTo(Page&, CredentialManagerClient*);
 } // namespace blink
 
 #endif // CredentialManagerClient_h
-