Add Pepper TrueType font API plumbing.

ppapi/proxy/truetype_font_singleton_resource.h

Index: ppapi/proxy/truetype_font_singleton_resource.h
diff --git a/ppapi/proxy/truetype_font_singleton_resource.h b/ppapi/proxy/truetype_font_singleton_resource.h
new file mode 100644
index 0000000000000000000000000000000000000000..8a914c2113b0ab7f6e1784704dbf88e9af18962d
--- /dev/null
+++ b/ppapi/proxy/truetype_font_singleton_resource.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_PROXY_TRUETYPE_FONT_SINGLETON_RESOURCE_H_
+#define PPAPI_PROXY_TRUETYPE_FONT_SINGLETON_RESOURCE_H_
+
+#include <string>
+#include <vector>
+
+#include "ppapi/proxy/connection.h"
+#include "ppapi/proxy/plugin_resource.h"
+#include "ppapi/thunk/ppb_truetype_font_singleton_api.h"
+
+namespace ppapi {
+
+class TrackedCallback;
+
+namespace proxy {
+
+struct SerializedTrueTypeFontDescription;
+
+// This handles the singleton calls (that don't take a PP_Resource parameter)
+// on the TrueType font interface.
+class TrueTypeFontSingletonResource
+    : public PluginResource,
+      public thunk::PPB_TrueTypeFont_Singleton_API {
+ public:
+  TrueTypeFontSingletonResource(Connection connection, PP_Instance instance);
+  virtual ~TrueTypeFontSingletonResource();
+
+  // Resource override.
+  virtual thunk::PPB_TrueTypeFont_Singleton_API*
+      AsPPB_TrueTypeFont_Singleton_API() OVERRIDE;
+
+  // thunk::PPB_TrueTypeFont_Singleton_API implementation.
+  virtual int32_t GetFontFamilies(
+      PP_Instance instance,
+      const PP_ArrayOutput& output,
+      const scoped_refptr<TrackedCallback> callback) OVERRIDE;

[dmichael (off chromium), 2013/03/13 20:20:25]

did you mean const scoped_refptr<TrackedCallback>&?
(note the &)

[bbudge, 2013/03/13 21:20:37]

Done.

+
+ private:
+  void OnPluginMsgGetFontFamiliesComplete(
+      scoped_refptr<TrackedCallback> callback,
+      PP_ArrayOutput array_output,
+      const ResourceMessageReplyParams& params,
+      const std::vector<std::string>& data);
+
+  DISALLOW_COPY_AND_ASSIGN(TrueTypeFontSingletonResource);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_TRUETYPE_FONT_SINGLETON_RESOURCE_H_