Add missing calls to ScriptWrappable::init in FontFace, LocalCredential and FederatedCredential.

Their absence tripped stronger asserts in multivm's refactoring of ScriptWrappable.

Review URL: https://codereview.chromium.org/469923002

git-svn-id: svn://svn.chromium.org/blink/trunk@180230 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/css/FontFace.cpp

@@ -135,6 +135,8 @@ FontFace::FontFace(ExecutionContext* context, const AtomicString& family, const
     : m_family(family)
     , m_status(Unloaded)
 {
+    ScriptWrappable::init(this);
+
     Document* document = toDocument(context);
     String value;
     if (DictionaryHelper::get(descriptors, "style", value))

third_party/WebKit/Source/modules/credentialmanager/FederatedCredential.cpp

@@ -22,6 +22,7 @@ FederatedCredential* FederatedCredential::create(const String& id, const String&
 FederatedCredential::FederatedCredential(const String& id, const String& name, const KURL& avatar, const KURL& federation)
     : Credential(PlatformFederatedCredential::create(id, name, avatar, federation))
 {
+    ScriptWrappable::init(this);
 }
 
 const KURL& FederatedCredential::federation() const

third_party/WebKit/Source/modules/credentialmanager/LocalCredential.cpp

@@ -21,6 +21,7 @@ LocalCredential* LocalCredential::create(const String& id, const String& name, c
 LocalCredential::LocalCredential(const String& id, const String& name, const KURL& avatar, const String& password)
     : Credential(PlatformLocalCredential::create(id, name, avatar, password))
 {
+    ScriptWrappable::init(this);
 }
 
 const String& LocalCredential::password() const