Make the Pepper proxy support in-process font rendering.

ppapi/thunk/ppb_font_api.h

+// Copyright (c) 2011 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_THUNK_PPB_FONT_API_H_
+#define PPAPI_THUNK_PPB_FONT_API_H_
+
+#include "ppapi/c/dev/ppb_font_dev.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPB_Font_API {
+ public:
+  virtual PP_Bool Describe(PP_FontDescription_Dev* description,
+                           PP_FontMetrics_Dev* metrics) = 0;
+  virtual PP_Bool DrawTextAt(PP_Resource image_data,
+                             const PP_TextRun_Dev* text,
+                             const PP_Point* position,
+                             uint32_t color,
+                             const PP_Rect* clip,
+                             PP_Bool image_data_is_opaque) = 0;
+  virtual int32_t MeasureText(const PP_TextRun_Dev* text) = 0;
+  virtual uint32_t CharacterOffsetForPixel(const PP_TextRun_Dev* text,
+                                           int32_t pixel_position) = 0;
+  virtual int32_t PixelOffsetForCharacter(const PP_TextRun_Dev* text,
+                                          uint32_t char_offset) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_FONT_API_H_