Reduce number of active codecs on low end devices.

media/gpu/android_video_decode_accelerator.h

Index: media/gpu/android_video_decode_accelerator.h
diff --git a/media/gpu/android_video_decode_accelerator.h b/media/gpu/android_video_decode_accelerator.h
index 8470efaa40a18870e08009a19cc27b3e10bd1ad4..ff44bc1147f55ab15460c1c6541893fba887507d 100644
--- a/media/gpu/android_video_decode_accelerator.h
+++ b/media/gpu/android_video_decode_accelerator.h
@@ -374,6 +374,10 @@ class MEDIA_GPU_EXPORT AndroidVideoDecodeAccelerator
   // when the EOS buffer is received.
   bool codec_needs_reset_;
 
+  // True if surface creation and |picture_buffer_manager_| initialization has
+  // been defered until the first Decode() call.
+  bool defer_surface_creation_;
+
   // Copy of the VDA::Config we were given.
   Config config_;