491c65a902
* Replace several calls to parseTypeArgumentsOpt with computeTypeParamOrArg * Replace isValidMethodTypeArguments with computeMethodTypeArguments * Fix TokenStreamRewriter.splitGtGt to preserve preceeding comment * Switch to using computeTypeParamOrArg and remove redundant code Change-Id: Ic4cab3ca91de8c0c9738f43ca208cdbf2ead6057 Reviewed-on: https://dart-review.googlesource.com/54603 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Dan Rubel <danrubel@google.com>