Use the icu data file on Linux (but not on CrOS)

chrome/installer/linux/common/installer.include

Index: chrome/installer/linux/common/installer.include
diff --git a/chrome/installer/linux/common/installer.include b/chrome/installer/linux/common/installer.include
index 962fd86b2985471db3eb2b95c38f05d544b2a8d6..9123a6e0c3579e402d3f6763291d9853d5a14b40 100644
--- a/chrome/installer/linux/common/installer.include
+++ b/chrome/installer/linux/common/installer.include
@@ -132,6 +132,10 @@ stage_install_common() {
     install -m 644 "${BUILDDIR}/ui_resources_100_percent.pak" "${STAGEDIR}/${INSTALLDIR}/"
   fi
 
+  # ICU data file; only necessary when icu_use_data_file_flag is set to 1
+  # in build/common.gypi.
+  install -m 644 "${BUILDDIR}/icudtl.dat" "${STAGEDIR}/${INSTALLDIR}/"
+
   # sandbox
   # Rename sandbox binary with hyphen instead of underscore because that's what
   # the code looks for, but the build targets can't use hyphens (scons bug?)