Bug 981780: disable some dom/media webrtc tests if webrtc isnt enabled r=drno

dom/media/tests/mochitest/moz.build

@@ -4,7 +4,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-WEBRTC_SIGNALLING_TEST_MANIFESTS += ['steeplechase.ini']
-
-MOCHITEST_MANIFESTS += ['mochitest.ini']
+if CONFIG ['MOZ_WEBRTC']:
+	MOCHITEST_MANIFESTS += ['mochitest.ini']
+	WEBRTC_SIGNALLING_TEST_MANIFESTS += ['steeplechase.ini']
 

layout/tools/reftest/reftest.js

@@ -660,6 +660,12 @@ function BuildConditionSandbox(aURL) {
     sandbox.AddressSanitizer = false;
 #endif
 
+#if MOZ_WEBRTC
+    sandbox.webrtc = true;
+#else
+    sandbox.webrtc = false;
+#endif
+
     var hh = CC[NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX + "http"].
                  getService(CI.nsIHttpProtocolHandler);
     sandbox.http = { __exposedProps__: {} };

testing/crashtest/crashtests.list

@@ -31,7 +31,7 @@ include ../../dom/xbl/crashtests/crashtests.list
 include ../../dom/xslt/crashtests/crashtests.list
 
 # Bug 811873 - mozRTCPeerConnection doesn't support remote browser yet
-skip-if(B2G||browserIsRemote) include ../../dom/media/tests/crashtests/crashtests.list
+skip-if(B2G||browserIsRemote||!webrtc) include ../../dom/media/tests/crashtests/crashtests.list
 
 include ../../dom/src/offline/crashtests/crashtests.list
 include ../../dom/src/jsurl/crashtests/crashtests.list