diff --git a/fetch.py b/fetch.py
index 067d4c6..03ba986 100755
--- a/fetch.py
+++ b/fetch.py
@@ -62,7 +62,7 @@
   def run(self, cmd, **kwargs):
     print 'Running: %s' % (' '.join(pipes.quote(x) for x in cmd))
     if self.options.dry_run:
-      return 0
+      return ''
     return subprocess.check_output(cmd, **kwargs)
 
 
@@ -133,7 +133,7 @@
     # Configure and do the gclient checkout.
     self.run_gclient('config', '--spec', self._format_spec())
     sync_cmd = ['sync']
-    if self.options.nohooks:
+    if self.options.nohooks or self.spec.get('fetch_hooks'):
       sync_cmd.append('--nohooks')
     if self.options.no_history:
       sync_cmd.append('--no-history')
@@ -141,6 +141,11 @@
       sync_cmd.append('--with_branch_heads')
     self.run_gclient(*sync_cmd)
 
+    for cmd in self.spec.get('fetch_hooks', []):
+      self.run(cmd)
+    if self.spec.get('fetch_hooks') and not self.options.nohooks:
+      self.run_gclient('runhooks')
+
     # Configure git.
     wd = os.path.join(self.base, self.root)
     if self.options.dry_run:
diff --git a/recipes/chromium.py b/recipes/chromium.py
index 6416ee0..ccadd1f 100644
--- a/recipes/chromium.py
+++ b/recipes/chromium.py
@@ -31,6 +31,8 @@
       spec['target_os'] = props['target_os'].split(',')
     if props.get('target_os_only'):
       spec['target_os_only'] = props['target_os_only']
+    install_build_deps = ['src/build/install-build-deps.sh']
+    spec['fetch_hooks'] = [install_build_deps]
     return {
       'type': 'gclient_git',
       'gclient_git_spec': spec,