Add rc.exe hook to DEPS.

This is necessary to build Windows ANGLE with the hermetic Win SDK.

BUG=angleproject:1569

Change-Id: Ic2c0aac6cab8d1a20f0bca8aea55418fe7defdc5
Reviewed-on: https://chromium-review.googlesource.com/734980
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/DEPS b/DEPS
index 4e8585f..b679b4f 100644
--- a/DEPS
+++ b/DEPS
@@ -126,6 +126,20 @@
     'pattern': '.',
     'action': ['python', 'tools/clang/scripts/update.py', '--if-needed'],
   },
+
+  # Pull rc binaries using checked-in hashes.
+  {
+    'name': 'rc_win',
+    'pattern': '.',
+    'condition': 'checkout_win and host_os == "win"',
+    'action': [ 'download_from_google_storage',
+                '--no_resume',
+                '--no_auth',
+                '--bucket', 'chromium-browser-clang/rc',
+                '-s', 'build/toolchain/win/rc/win/rc.exe.sha1',
+    ],
+  },
+
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'pattern': '.',