Bug 924194 - Allow using the Cairo Azure backend on Mac for testing purposes. r=jrmuizel

--HG--
extra : rebase_source : e5a73f212fd5979e1a4dcc5fd653b21416e979cb

gfx/thebes/gfxPlatformMac.cpp

@@ -67,7 +67,7 @@ gfxPlatformMac::gfxPlatformMac()
     mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
 
     uint32_t canvasMask = (1 << BACKEND_CAIRO) | (1 << BACKEND_SKIA) | (1 << BACKEND_COREGRAPHICS);
-    uint32_t contentMask = (1 << BACKEND_COREGRAPHICS);
+    uint32_t contentMask = (1 << BACKEND_CAIRO) | (1 << BACKEND_COREGRAPHICS);
     InitBackendPrefs(canvasMask, contentMask);
 }