GpuVideoDecoder: fix OS_WIN define.

media/filters/gpu_video_decoder.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.
 
 #include "media/filters/gpu_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/cpu.h"
 #include "base/message_loop.h"
@@ skipping 119 matching lines @@
   }
 
   // Only non-Windows, Ivy Bridge+ platforms can support more than 1920x1080.
   // We test against 1088 to account for 16x16 macroblocks.
   if (config.coded_size().width() > 1920 ||
       config.coded_size().height() > 1088) {
     base::CPU cpu;
     bool hw_large_video_support =
         cpu.vendor_name() == "GenuineIntel" && cpu.model() >= 58;
     bool os_large_video_support = true;
-#if defined(OS_WINDOWS)
+#if defined(OS_WIN)
     os_large_video_support = false;
 #endif
     if (!(os_large_video_support && hw_large_video_support)) {
       status_cb.Run(DECODER_ERROR_NOT_SUPPORTED);
       return;
     }
   }
 
   VideoDecodeAccelerator* vda =
       factories_->CreateVideoDecodeAccelerator(config.profile(), this);
@@ skipping 433 matching lines @@
 
   error_occured_ = true;
 
   if (!pending_read_cb_.is_null()) {
     base::ResetAndReturn(&pending_read_cb_).Run(kDecodeError, NULL);
     return;
   }
 }
 
 }  // namespace media