Add GetUsbKeyCode dev interface for Pepper key events

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb.cc

 // 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.
 //
 // Implements the untrusted side of the PPB_GetInterface method.
 
 #include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
 #include <stdlib.h>
 #include <string.h>
 #include "native_client/src/shared/ppapi_proxy/plugin_ppb_audio.h"
@@ skipping 57 matching lines @@
   { PPB_FONT_DEV_INTERFACE, PluginFont::GetInterface(), true },
   { PPB_FULLSCREEN_INTERFACE, PluginFullscreen::GetInterface(), true },
   { PPB_GAMEPAD_DEV_INTERFACE, PluginGamepad::GetInterface(), true },
   { PPB_GRAPHICS_2D_INTERFACE, PluginGraphics2D::GetInterface(), true },
   { PPB_GRAPHICS_3D_INTERFACE, PluginGraphics3D::GetInterface(), true },
   { PPB_IMAGEDATA_INTERFACE, PluginImageData::GetInterface(), true },
   { PPB_INPUT_EVENT_INTERFACE, PluginInputEvent::GetInterface(), true },
   { PPB_INSTANCE_INTERFACE, PluginInstance::GetInterface(), true },
   { PPB_KEYBOARD_INPUT_EVENT_INTERFACE,
     PluginInputEvent::GetKeyboardInterface(), true },
+  { PPB_KEYBOARD_INPUT_EVENT_DEV_INTERFACE,
+    PluginInputEvent::GetKeyboardInterface_Dev(), true },
   { PPB_MEMORY_DEV_INTERFACE, PluginMemory::GetInterface(), true },
   { PPB_MESSAGING_INTERFACE, PluginMessaging::GetInterface(), true },
   { PPB_MOUSE_INPUT_EVENT_INTERFACE_1_0,
     PluginInputEvent::GetMouseInterface1_0(), true },
   { PPB_MOUSE_INPUT_EVENT_INTERFACE_1_1,
     PluginInputEvent::GetMouseInterface1_1(), true },
   { PPB_MOUSELOCK_INTERFACE, PluginMouseLock::GetInterface(), true },
   { PPB_NETADDRESS_PRIVATE_INTERFACE_0_1,
     PluginNetAddressPrivate::GetInterface0_1(), true },
   { PPB_NETADDRESS_PRIVATE_INTERFACE_1_0,
@@ skipping 60 matching lines @@
               interface_name, NaClSrpcErrorString(srpc_result));
   if (srpc_result != NACL_SRPC_RESULT_OK || !browser_exports_interface) {
     interface_map[index].ppb_interface = NULL;
     ppb_interface = NULL;
   }
   interface_map[index].needs_browser_check = false;
   return ppb_interface;
 }
 
 }  // namespace ppapi_proxy