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

chrome/renderer/webplugin_delegate_pepper.h

 // 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.
 
 #ifndef CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 #define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 
 #include "build/build_config.h"
 
 #include <map>
@@ skipping 76 matching lines @@
   virtual void SelectFindResult(bool forward);
   virtual void StopFind();
   virtual void NumberOfFindResultsChanged(int total, bool final_result);
   virtual void SelectedFindResultChanged(int index);
   virtual bool ChooseFile(const char* mime_types,
                           int mode,
                           NPChooseFileCallback callback,
                           void* user_data);
   virtual NPWidgetExtensions* GetWidgetExtensions();
   virtual bool SetCursor(NPCursorType type);
+  virtual NPFontExtensions* GetFontExtensions();
   virtual void Zoom(int factor);
   virtual void Copy();
 
   // WebPlugin2DDeviceDelegate implementation.
   virtual NPError Device2DQueryCapability(int32 capability, int32* value);
   virtual NPError Device2DQueryConfig(const NPDeviceContext2DConfig* request,
                                       NPDeviceContext2DConfig* obtain);
   virtual NPError Device2DInitializeContext(
       const NPDeviceContext2DConfig* config,
       NPDeviceContext2D* context);
@@ skipping 206 matching lines @@
   // pointer to the callback specified by the plugin. Will be NULL otherwise.
   NPChooseFileCallback current_choose_file_callback_;
   void* current_choose_file_user_data_;
 
   scoped_ptr<WebKit::WebCursorInfo> cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegatePepper);
 };
 
 #endif  // CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_