Update .DEPS.git

Cr-Commit-Position: refs/heads/master@{#289101}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289101 0039d316-1c4b-4281-b951-d872f2087c98

.DEPS.git

@@ -377,6 +377,17 @@ skip_child_includes = [
 ]
 
 hooks = [
+    {
+    'action':
+         [
+    'python',
+    'src/build/landmines.py'
+],
+    'pattern':
+         '.',
+    'name':
+         'landmines'
+},
     {
     'action':
          [