A remotable font management interface and DirectWrite implementation.

src/fonts/SkRemotableFontMgr.cpp

Index: src/fonts/SkRemotableFontMgr.cpp
===================================================================
--- src/fonts/SkRemotableFontMgr.cpp	(revision 0)
+++ src/fonts/SkRemotableFontMgr.cpp	(working copy)
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkRemotableFontMgr.h"
+
+#include "SkOnce.h"
+
+SkRemotableFontIdentitySet::SkRemotableFontIdentitySet(int count, SkFontIdentity** data)
+      : fCount(count), fData(count)
+{
+    SkASSERT(data);
+    *data = fData;
+}
+
+static SkRemotableFontIdentitySet* gEmptyRemotableFontIdentitySet = NULL;
+static void cleanup_gEmptyRemotableFontIdentitySet() { gEmptyRemotableFontIdentitySet->unref(); }
+
+void SkRemotableFontIdentitySet::NewEmptyImpl(int) {
+    gEmptyRemotableFontIdentitySet = new SkRemotableFontIdentitySet();
+}
+
+SkRemotableFontIdentitySet* SkRemotableFontIdentitySet::NewEmpty() {
+    SK_DECLARE_STATIC_ONCE(once);
+    SkOnce(&once, SkRemotableFontIdentitySet::NewEmptyImpl, 0,
+           cleanup_gEmptyRemotableFontIdentitySet);
+    gEmptyRemotableFontIdentitySet->ref();
+    return gEmptyRemotableFontIdentitySet;
+}