media: replace LUMINANCE_F16 by RG_88 for 9/10-bit h264 videos

cc/quads/yuv_video_draw_quad.h

 // Copyright 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 CC_QUADS_YUV_VIDEO_DRAW_QUAD_H_
 #define CC_QUADS_YUV_VIDEO_DRAW_QUAD_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "cc/base/cc_export.h"
 #include "cc/quads/draw_quad.h"
 #include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 
 class CC_EXPORT YUVVideoDrawQuad : public DrawQuad {
  public:
   static const size_t kYPlaneResourceIdIndex = 0;
   static const size_t kUPlaneResourceIdIndex = 1;
   static const size_t kVPlaneResourceIdIndex = 2;
   static const size_t kAPlaneResourceIdIndex = 3;
 
-  enum : uint32_t { kMinBitsPerChannel = 8, kMaxBitsPerChannel = 24 };
+  enum : uint32_t { kMinBitsPerChannel = 8, kMaxBitsPerChannel = 16 };
 
   enum ColorSpace {
     REC_601,  // SDTV standard with restricted "studio swing" color range.
     REC_709,  // HDTV standard with restricted "studio swing" color range.
     JPEG,     // Full color range [0, 255] JPEG color space.
     COLOR_SPACE_LAST = JPEG
   };
 
   ~YUVVideoDrawQuad() override;
 
@@ skipping 69 matching lines @@
     return resources.ids[kAPlaneResourceIdIndex];
   }
 
  private:
   void ExtendValue(base::trace_event::TracedValue* value) const override;
 };
 
 }  // namespace cc
 
 #endif  // CC_QUADS_YUV_VIDEO_DRAW_QUAD_H_