Bug 681333 - Check MakeCurrent return code on init; r=jmuizelaar

gfx/thebes/GLContextProviderEGL.cpp

@@ -135,6 +135,7 @@ public:
 #endif
 
 #include "gfxUtils.h"
+#include "gfxFailure.h"
 #include "gfxASurface.h"
 #include "gfxImageSurface.h"
 #include "gfxPlatform.h"
@@ -708,7 +709,13 @@ public:
             return PR_FALSE;
         }
 
-        MakeCurrent();
+        PRBool current = MakeCurrent();
+        if (!current) {
+            gfx::LogFailure(NS_LITERAL_CSTRING(
+                "Couldn't get device attachments for device."));
+            return PR_FALSE;
+        }
+
         PRBool ok = InitWithPrefix("gl", PR_TRUE);
 #if 0
         if (ok) {