Remove ENABLE_NEW_GAMEPAD_API #ifdefs

public/platform/WebGamepads.h

 // Copyright (C) 2011, Google Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 // 1. Redistributions of source code must retain the above copyright
 //    notice, this list of conditions and the following disclaimer.
 // 2. Redistributions in binary form must reproduce the above copyright
 //    notice, this list of conditions and the following disclaimer in the
 //    documentation and/or other materials provided with the distribution.
@@ skipping 34 matching lines @@
     static const size_t itemsLengthCap = 4;
 
     // Number of valid entries in the items array.
     unsigned length;
 
     // Gamepad data for N separate gamepad devices.
     WebGamepad items[itemsLengthCap];
 };
 
 #if BLINK_IMPLEMENTATION
-#if defined(ENABLE_NEW_GAMEPAD_API)
 COMPILE_ASSERT(sizeof(WebGamepads) == 2888, WebGamepads_has_wrong_size);
-#else
-COMPILE_ASSERT(sizeof(WebGamepads) == 2120, WebGamepads_has_wrong_size);
-#endif
 #endif
 
 #pragma pack(pop)
 
 }
 
 #endif // WebGamepads_h