Yes, the Chronicle leans left, no doubt.
But, the headline is a bit misleading, as always.
This from the article, so they aren't 100% drinking the kool-aid here (well, maybe 80%):
Texas Republican analyst Adryana Aldeen, who immigrated to the U.S. from Mexico, agreed. She said she’s known Abbott for years; he’s married to a Latina; and she sees him as one of the most respected leaders in Texas.
“This is a regular fundraising letter that is focusing on defending Texas because that's the message of the governor,†Aldeen said, who blamed Democrats for failing to come to the table on immigration reform.
When asked about the most important problem facing both the state and country, the most common responses among Republicans are immigration and border security, said James Henson, director of the Texas Politics Project, which conducts the University of Texas/Texas Tribune polls.