Bug 1280499 - Unlock UNPACK_BUFFER. - r=ethlin

MozReview-Commit-ID: 5RbFNeKsvqF

dom/canvas/WebGL2ContextBuffers.cpp

@@ -20,16 +20,11 @@ WebGL2Context::ValidateBufferTarget(GLenum target, const char* funcName)
     case LOCAL_GL_COPY_WRITE_BUFFER:
     case LOCAL_GL_ELEMENT_ARRAY_BUFFER:
     case LOCAL_GL_PIXEL_PACK_BUFFER:
+    case LOCAL_GL_PIXEL_UNPACK_BUFFER:
     case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
     case LOCAL_GL_UNIFORM_BUFFER:
         return true;
 
-    case LOCAL_GL_PIXEL_UNPACK_BUFFER:
-        ErrorInvalidOperation("%s: PBOs are still under development, and are currently"
-                              " disabled.",
-                              funcName);
-        return false;
-
     default:
         ErrorInvalidEnumInfo(funcName, target);
         return false;