Updated chromium-browser-stable packages fix security vulnerabilities

Chromium-browser 42.0.2311.90 fixes several security issues, among others a cross-origin-bypass in HTML parser (CVE-2015-1235), a cross-origin-bypass in Blink (CVE-2015-1236), a use-after-free in IPC (CVE-2015-1237), an out-of-bounds write in Skia (CVE-2015-1238), an out-of-bounds read in WebGL (CVE-2015-1240), Tap-Jacking (CVE-2015-1241), type confusion in V8 (CVE-2015-1242), HSTS bypass in WebSockets (CVE-2015-1244), a use-after-free in PDFium (CVE-2015-1245), an out-of-bounds read in Blink (CVE-2015-1246), scheme issues in OpenSearch, (CVE-2015-1247), and a SafeBrowsing bypass (CVE-2015-1248). Also included are various fixes from internal audits, fuzzing and other initiatives (CVE-2015-1249), and multiple vulnerabilities in V8 have been fixed at the tip of the 4.2 branch (currently 4.2.77.14) (CVE-2015-3333).