Remove PPB_Ext_Alarms_Dev and PPB_Ext_Events_Dev.

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_array_output.h',
       'c/pp_bool.h',
       'c/pp_completion_callback.h',
@@ skipping 125 matching lines @@
       'c/dev/ppp_class_deprecated.h',
 
       # Trusted interfaces.
       'c/trusted/ppb_broker_trusted.h',
       'c/trusted/ppb_browser_font_trusted.h',
       'c/trusted/ppb_file_chooser_trusted.h',
       'c/trusted/ppb_url_loader_trusted.h',
       'c/trusted/ppp_broker.h',
 
       # Extensions dev interfaces.
-      'c/extensions/dev/ppb_ext_alarms_dev.h',
-      'c/extensions/dev/ppb_ext_events_dev.h',
       'c/extensions/dev/ppb_ext_socket_dev.h',
     ],
     'cpp_source_files': [
       'cpp/array_output.cc',
       'cpp/array_output.h',
       'cpp/audio.cc',
       'cpp/audio.h',
       'cpp/audio_config.cc',
       'cpp/audio_config.h',
       'cpp/completion_callback.h',
@@ skipping 195 matching lines @@
       'cpp/private/x509_certificate_private.h',
 
       # Trusted interfaces.
       'cpp/trusted/browser_font_trusted.cc',
       'cpp/trusted/browser_font_trusted.h',
       'cpp/trusted/file_chooser_trusted.cc',
       'cpp/trusted/file_chooser_trusted.h',
 
       # Extensions interfaces.
       'cpp/extensions/dict_field.h',
-      'cpp/extensions/event_base.cc',
-      'cpp/extensions/event_base.h',
       'cpp/extensions/ext_output_traits.h',
       'cpp/extensions/from_var_converter.h',
       'cpp/extensions/optional.h',
       'cpp/extensions/to_var_converter.h',
 
       # Extensions dev interfaces.
-      'cpp/extensions/dev/alarms_dev.cc',
-      'cpp/extensions/dev/alarms_dev.h',
-      'cpp/extensions/dev/events_dev.cc',
-      'cpp/extensions/dev/events_dev.h',
       'cpp/extensions/dev/socket_dev.cc',
       'cpp/extensions/dev/socket_dev.h',
 
       # Utility sources.
       'utility/completion_callback_factory.h',
       'utility/completion_callback_factory_thread_traits.h',
       'utility/graphics/paint_aggregator.cc',
       'utility/graphics/paint_aggregator.h',
       'utility/graphics/paint_manager.cc',
       'utility/graphics/paint_manager.h',
@@ skipping 183 matching lines @@
       'tests/test_x509_certificate_private.h',
 
       # Deprecated test cases.
       'tests/test_instance_deprecated.cc',
       'tests/test_instance_deprecated.h',
       'tests/test_var_deprecated.cc',
       'tests/test_var_deprecated.h',
     ],
   },
 }