Bug 1215115 - part4: Enable MOZ_WEBM_ENCODER by default. r=ted

MozReview-Commit-ID: 6IgZoIhTLM7

--HG--
extra : transplant_source : 4.%11c%89%D3y%F0%BC%1E%8B%E50%BA%82%C2%7D%C1n%F7

browser/confvars.sh

@@ -60,7 +60,6 @@ MOZ_PAY=1
 # Enable activities. These are used for FxOS developers currently.
 MOZ_ACTIVITIES=1
 MOZ_JSDOWNLOADS=1
-MOZ_WEBM_ENCODER=1
 MOZ_RUST_MP4PARSE=1
 
 # Enable checking that add-ons are signed by the trusted root

old-configure.in

@@ -4173,13 +4173,10 @@ fi
 
 if test -n "$MOZ_TREMOR"; then
     AC_DEFINE(MOZ_TREMOR)
-    # Tremor doesn't have an encoder.
-    MOZ_WEBM_ENCODER=
 fi
 
-if test -n "$MOZ_WEBM_ENCODER"; then
-    AC_DEFINE(MOZ_WEBM_ENCODER)
-fi
+MOZ_WEBM_ENCODER=1
+AC_DEFINE(MOZ_WEBM_ENCODER)
 AC_SUBST(MOZ_WEBM_ENCODER)
 
 dnl ==================================