ppapi: Add support for touch events.

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 22 matching lines @@
       'c/ppb_gamepad.h',
       'c/ppb_graphics_2d.h',
       'c/ppb_graphics_3d.h',
       'c/ppb_image_data.h',
       'c/ppb_input_event.h',
       'c/ppb_instance.h',
       'c/ppb_messaging.h',
       'c/ppb_mouse_cursor.h',
       'c/ppb_mouse_lock.h',
       'c/ppb_opengles2.h',
+      'c/ppb_touch_point.h',
       'c/ppb_url_loader.h',
       'c/ppb_url_request_info.h',
       'c/ppb_url_response_info.h',
       'c/ppb_var.h',
       'c/ppb_var_array_buffer.h',
       'c/ppb_view.h',
       'c/ppb_websocket.h',
       'c/ppp.h',
       'c/ppp_graphics_3d.h',
       'c/ppp_input_event.h',
@@ skipping 117 matching lines @@
       'cpp/mouse_cursor.h',
       'cpp/mouse_lock.cc',
       'cpp/mouse_lock.h',
       'cpp/output_traits.h',
       'cpp/point.h',
       'cpp/rect.cc',
       'cpp/rect.h',
       'cpp/resource.cc',
       'cpp/resource.h',
       'cpp/size.h',
+      'cpp/touch_point.h',
       'cpp/url_loader.cc',
       'cpp/url_loader.h',
       'cpp/url_request_info.cc',
       'cpp/url_request_info.h',
       'cpp/url_response_info.cc',
       'cpp/url_response_info.h',
       'cpp/var.cc',
       'cpp/var.h',
       'cpp/var_array_buffer.cc',
       'cpp/var_array_buffer.h',
@@ skipping 255 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',
     ],
   },
 }