Revert of Define AudioBuffer and VideoFrame for mojo

media/base/sample_format.cc

 // Copyright 2013 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/base/sample_format.h"
 
 #include "base/logging.h"
 
 namespace media {
 
@@ skipping 33 matching lines @@
       return "Signed 16-bit planar";
     case kSampleFormatPlanarF32:
       return "Float 32-bit planar";
     case kSampleFormatPlanarS32:
       return "Signed 32-bit planar";
   }
   NOTREACHED() << "Invalid sample format provided: " << sample_format;
   return "";
 }
 
-bool IsPlanar(SampleFormat sample_format) {
-  switch (sample_format) {
-    case kSampleFormatPlanarS16:
-    case kSampleFormatPlanarF32:
-    case kSampleFormatPlanarS32:
-      return true;
-    case kUnknownSampleFormat:
-    case kSampleFormatU8:
-    case kSampleFormatS16:
-    case kSampleFormatS32:
-    case kSampleFormatF32:
-      return false;
-  }
-
-  NOTREACHED() << "Invalid sample format provided: " << sample_format;
-  return false;
-}
-
-bool IsInterleaved(SampleFormat sample_format) {
-  switch (sample_format) {
-    case kSampleFormatU8:
-    case kSampleFormatS16:
-    case kSampleFormatS32:
-    case kSampleFormatF32:
-      return true;
-    case kUnknownSampleFormat:
-    case kSampleFormatPlanarS16:
-    case kSampleFormatPlanarF32:
-    case kSampleFormatPlanarS32:
-      return false;
-  }
-
-  NOTREACHED() << "Invalid sample format provided: " << sample_format;
-  return false;
-}
-
 }  // namespace media