Update makefiles after merge of Chromium at 041843cbf814

This commit was generated by merge_from_chromium.py.

Change-Id: Ib50e00ed5e94f0daf8eefe82b049a93bc3f416ef
diff --git a/modules/video_coding/codecs/vp8/webrtc_vp8.target.linux-arm.mk b/modules/video_coding/codecs/vp8/webrtc_vp8.target.linux-arm.mk
index 6c95442..09168d8 100644
--- a/modules/video_coding/codecs/vp8/webrtc_vp8.target.linux-arm.mk
+++ b/modules/video_coding/codecs/vp8/webrtc_vp8.target.linux-arm.mk
@@ -100,6 +100,7 @@
 	'-DDATA_REDUCTION_PROXY_WARMUP_URL="http://www.gstatic.com/generate_204"' \
 	'-DVIDEO_HOLE=1' \
 	'-DWEBRTC_RESTRICT_LOGGING' \
+	'-DEXPAT_RELATIVE_PATH' \
 	'-DWEBRTC_MODULE_UTILITY_VIDEO' \
 	'-DWEBRTC_CHROMIUM_BUILD' \
 	'-DLOGGING_INSIDE_WEBRTC' \
@@ -222,6 +223,7 @@
 	'-DDATA_REDUCTION_PROXY_WARMUP_URL="http://www.gstatic.com/generate_204"' \
 	'-DVIDEO_HOLE=1' \
 	'-DWEBRTC_RESTRICT_LOGGING' \
+	'-DEXPAT_RELATIVE_PATH' \
 	'-DWEBRTC_MODULE_UTILITY_VIDEO' \
 	'-DWEBRTC_CHROMIUM_BUILD' \
 	'-DLOGGING_INSIDE_WEBRTC' \