Revert of Define AudioBuffer and VideoFrame for mojo

media/base/sample_format.cc

Index: media/base/sample_format.cc
diff --git a/media/base/sample_format.cc b/media/base/sample_format.cc
index dd0bc1d0195fd9f12428f00f43b2ec92a325327f..464fc1b6f578e0f4187f40365d18f4ef8922a20b 100644
--- a/media/base/sample_format.cc
+++ b/media/base/sample_format.cc
@@ -51,40 +51,4 @@
   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