Rename PPB_Font to PPB_BrowserFont_Trusted.

ppapi/ppapi_sources.gypi

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'c_source_files': [
       'c/pp_bool.h',
       'c/pp_completion_callback.h',
       'c/pp_errors.h',
@@ skipping 95 matching lines @@
       'c/private/ppb_udp_socket_private.h',
 
       # Deprecated interfaces.
       'c/dev/deprecated_bool.h',
       'c/dev/ppb_var_deprecated.h',
       'c/dev/ppp_class_deprecated.h',
 
       # Trusted interfaces.
       'c/trusted/ppb_audio_trusted.h',
       'c/trusted/ppb_broker_trusted.h',
+      'c/private/ppb_browser_font_trusted.h',
       'c/trusted/ppb_buffer_trusted.h',
       'c/trusted/ppb_file_chooser_trusted.h',
       'c/trusted/ppb_file_io_trusted.h',
       'c/trusted/ppb_graphics_3d_trusted.h',
       'c/trusted/ppb_image_data_trusted.h',
       'c/trusted/ppb_url_loader_trusted.h',
       'c/trusted/ppp_broker.h',
     ],
     'cpp_source_files': [
       'cpp/audio.cc',
@@ skipping 299 matching lines @@
           'c/dev/ppb_transport_dev.h',
         ],
         'cpp_source_files': [
           'cpp/dev/transport_dev.cc',
           'cpp/dev/transport_dev.h',
         ],
       },
     }],
   ],
 }