Use safer IPC serializations in media_param_traits.cc

media/base/video_capture_types.h

 // 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.
 
 #ifndef MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_
 #define MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_
 
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 14 matching lines @@
   PIXEL_FORMAT_YV12,
   PIXEL_FORMAT_NV12,
   PIXEL_FORMAT_NV21,
   PIXEL_FORMAT_UYVY,
   PIXEL_FORMAT_YUY2,
   PIXEL_FORMAT_RGB24,
   PIXEL_FORMAT_RGB32,
   PIXEL_FORMAT_ARGB,
   PIXEL_FORMAT_MJPEG,
   PIXEL_FORMAT_UNKNOWN,  // Color format not set.
-  PIXEL_FORMAT_MAX,
+  PIXEL_FORMAT_MAX = PIXEL_FORMAT_UNKNOWN,
 };
 
 // Storage type for the pixels. In principle, all combinations of Storage and
 // Format are possible, though some are very typical, such as texture + ARGB,
 // and others are only available if the platform allows it e.g. GpuMemoryBuffer.
 // TODO(mcasas): http://crbug.com/504160 Consider making this an enum class.
 enum VideoPixelStorage {
   PIXEL_STORAGE_CPU,
   PIXEL_STORAGE_TEXTURE,
   PIXEL_STORAGE_GPUMEMORYBUFFER,
@@ skipping 87 matching lines @@
   // Policy for resolution change.
   ResolutionChangePolicy resolution_change_policy;
 
   // Indication to the Driver to try to use GpuMemoryBuffers.
   bool use_gpu_memory_buffers;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_CAPTURE_TYPES_H_