Add a font API to Pepper and implement on Linux based on agl's ...

webkit/glue/plugins/npapi_extension_thunk.cc

 // Copyright (c) 2010 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.
 
 #include "webkit/glue/plugins/npapi_extension_thunk.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/npapi/bindings/npapi_extensions.h"
@@ skipping 508 matching lines @@
 
 static NPError NPSetCursor(NPP id, NPCursorType type) {
   scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
   if (!plugin)
     return NPERR_GENERIC_ERROR;
 
   return plugin->webplugin()->delegate()->SetCursor(type) ?
       NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
 }
 
+static NPFontExtensions* GetFontExtensions(NPP id) {
+  scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
+  if (!plugin)
+    return NULL;
+
+  return plugin->webplugin()->delegate()->GetFontExtensions();
+}
+
 namespace NPAPI {
 
 NPError GetPepperExtensionsFunctions(void* value) {
   static const NPNExtensions kExtensions = {
     &AcquireDevice,
     &CopyTextToClipboard,
     &NumberOfFindResultsChanged,
     &SelectedFindResultChanged,
     &ChooseFile,
     &GetWidgetExtensions,
     &NPSetCursor,
+    &GetFontExtensions,
   };
 
   // Return a pointer to the canonical function table.
   NPNExtensions* extensions = const_cast<NPNExtensions*>(&kExtensions);
   NPNExtensions** exts = reinterpret_cast<NPNExtensions**>(value);
   *exts = extensions;
   return NPERR_NO_ERROR;
 }
 
 }  // namespace NPAPI