Ensure V8 snapshot files are included in official Chrome builds for Linux.

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 2f6b321c2455cd190904014b8adf69b1fb091e87..f2e3e10db19a6474f20f1cdaf6ec46255970690e 100644
--- a/chrome/installer/linux/common/installer.include
+++ b/chrome/installer/linux/common/installer.include
@@ -136,6 +136,11 @@ stage_install_common() {
   # in build/common.gypi.
   install -m 644 "${BUILDDIR}/icudtl.dat" "${STAGEDIR}/${INSTALLDIR}/"
 
+  # V8 snapshot files; only necessary when v8_use_external_startup_data is
+  # set to 1 in build/common.gypi.
+  install -m 644 "${BUILDDIR}/natives_blob.bin" "${STAGEDIR}/${INSTALLDIR}/"
+  install -m 644 "${BUILDDIR}/snapshot_blob.bin" "${STAGEDIR}/${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?)