No, the liberals did not give 300 million to the Khan Foundation, the Canadian government, did, however, see attached link showing Stephen Harper with the Aga Khan in 2006 and the 2nd link from August 2015, while the Conservatives were still in power.

"...Under the terms of the agreement, the Government of Canada will contribute C$30 million towards the establishment of the Centre’s endowment fund. The Aga Khan will contribute a minimum of C$30 million toward the endowment and the refurbishing of the former Canadian War Museum, which the Government is making available on a long-term lease to serve as the Centre’s global headquarters."

http://www.akdn.org/press-release/government-canada-and-aga-khan-sign-funding-agreement-global-centre-pluralism-0

http://www.international.gc.ca/development-developpement/partners-partenaires/calls-appels/psmnch-results-prsmne-resultats.aspx?lang=eng

See now?  Not the same at all.