Remove RGB32 from VideoFrame::Format.

media/base/video_frame.h

Index: media/base/video_frame.h
diff --git a/media/base/video_frame.h b/media/base/video_frame.h
index fa8aa96bc029e11ded6cf90c0119d9aa9e47cb0d..df0ed23f0ed0cb3d2390a7bd1c170cf1552ff745 100644
--- a/media/base/video_frame.h
+++ b/media/base/video_frame.h
@@ -28,8 +28,6 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
   enum {
     kMaxPlanes = 4,
 
-    kRGBPlane = 0,
-
     kYPlane = 0,
     kUPlane = 1,
     kVPlane = 2,
@@ -41,7 +39,6 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
   // http://www.fourcc.org/yuv.php
   enum Format {
     UNKNOWN = 0,  // Unknown format value.
-    RGB32 = 4,  // 32bpp RGB packed with extra byte 8:8:8
     YV12 = 6,  // 12bpp YVU planar 1x1 Y, 2x2 VU samples
     YV16 = 7,  // 16bpp YVU planar 1x1 Y, 2x1 VU samples
     EMPTY = 9,  // An empty frame.
@@ -251,8 +248,6 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
              base::TimeDelta timestamp);
   virtual ~VideoFrame();
 
-  // Used internally by CreateFrame().
-  void AllocateRGB(size_t bytes_per_pixel);
   void AllocateYUV();
 
   // Used to DCHECK() plane parameters.