Build ozone/linux_os with jessie sysroot when use_ozone=true

build/config/sysroot.gni

Index: build/config/sysroot.gni
diff --git a/build/config/sysroot.gni b/build/config/sysroot.gni
index 7fed8b3ee238a807611c9580fd51d53e7600bd06..80228e82391488b81e55d400c7550194aac8bc72 100644
--- a/build/config/sysroot.gni
+++ b/build/config/sysroot.gni
@@ -57,6 +57,16 @@ if (is_linux && target_sysroot_dir != "") {
   } else {
     if (current_cpu == "x64") {
       sysroot = "//build/linux/debian_wheezy_amd64-sysroot"
+
+      # TODO(tonikitoo): Remove the whole if clause below when debian/wheezy
+      # sysroots are switched to debian/jessie, crbug.com/564904.
+      import("//build_overrides/build.gni")
+      if (build_with_chromium) {
+        import("//ui/ozone/ozone.gni")
+        if (use_ozone && !is_chromecast) {
+          sysroot = "//build/linux/debian_jessie_amd64-sysroot"
+        }
+      }
     } else if (current_cpu == "x86") {
       sysroot = "//build/linux/debian_wheezy_i386-sysroot"
     } else if (current_cpu == "mipsel") {