Revert of media: Enable Unified Media Pipeline for MSE and EME on Android

media/base/media.h

Index: media/base/media.h
diff --git a/media/base/media.h b/media/base/media.h
index ca5a817590a7ffa328a2547c0cf3bc50ee86e7ac..b6cccc49f478dd6c6aabe3b4e2eedcd5fe444992 100644
--- a/media/base/media.h
+++ b/media/base/media.h
@@ -41,6 +41,12 @@
 // unified media pipeline is supported everywhere.  http://crbug.com/580626.
 MEDIA_EXPORT bool IsUnifiedMediaPipelineEnabled();
 
+// Similar to IsUnifiedMediaPipelineEnabled() but will also return true if
+// MediaCodec is not available (allowing the unified pipeline to take over for
+// cases where existing pipeline has no support). As above, codecs requiring
+// platform support may not be available.
+MEDIA_EXPORT bool IsUnifiedMediaPipelineEnabledForMse();
+
 // Returns whether the platform decoders are available for use.
 // This includes decoders being available on the platform and accessible, such
 // as via the GPU process. Should only be used for actual decoders