Build/install gold instead of all of binutils.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/6502009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@74682 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index 3ed5513..22b1b67 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -60,8 +60,8 @@
   tar -xjvf $BINUTILS.tar.bz2
   cd $BINUTILS
   ./configure --prefix=/usr/local/gold --enable-gold
-  make -j3
-  if sudo make install
+  make maybe-all-binutils maybe-all-gold -j4
+  if sudo make maybe-install-binutils maybe-install-gold
   then
     # Still need to figure out graceful way of pointing gyp to use
     # /usr/local/gold/bin/ld without requiring him to set environment