Add --mediadrm-enable-non-compositing flag for Chrome on Android.

media/base/media_switches.cc

Index: media/base/media_switches.cc
diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index a4149fa1ec372d3b5c7368d3b14593d69baf3923..96998cc4911ae0a2ec1c97ba4040c0f129592b5c 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -28,6 +28,12 @@ const char kOverrideEncryptedMediaCanPlayType[] =
 // Enables MP3 stream parser for Media Source Extensions.
 const char kEnableMP3StreamParser[] = "enable-mp3-stream-parser";
 
+#if defined(OS_ANDROID)
+// Enables use of non-compositing MediaDrm decoding by default for Encrypted
+// Media Extensions implementation.
+const char kMediaDrmEnableNonCompositing[] = "mediadrm-enable-non-compositing";
+#endif
+
 #if defined(GOOGLE_TV)
 // Use external video surface for video with more than or equal pixels to
 // specified value. For example, value of 0 will enable external video surface