Fix up the Mac installer’s Info.plist, build with branding info

chrome/app/theme/chromium/BRANDING

Index: chrome/app/theme/chromium/BRANDING
diff --git a/chrome/app/theme/chromium/BRANDING b/chrome/app/theme/chromium/BRANDING
index 6a6bc265f7eeb7b97322845de6ac217e4140575f..996ca151a0f495d68add980702e9ef740fbfaab5 100644
--- a/chrome/app/theme/chromium/BRANDING
+++ b/chrome/app/theme/chromium/BRANDING
@@ -6,4 +6,5 @@ PRODUCT_INSTALLER_FULLNAME=Chromium Installer
 PRODUCT_INSTALLER_SHORTNAME=Chromium Installer
 COPYRIGHT=Copyright 2016 The Chromium Authors. All rights reserved.
 MAC_BUNDLE_ID=org.chromium.Chromium
+MAC_INSTALLER_BUNDLE_ID=org.chromium.Chromium.installer

[Sidney San Martín, 2016/09/21 21:18:39]

I could just compose the installer's bundle ID as "$mac_bundle_id" +
".installer", but not sure if that's a good strategy.

[Robert Sesek, 2016/09/21 21:41:21]

I think it's fine to use the base MAC_BUNDLE_ID (it's what all our Info.plists
currently do). If you want to use a new BRANDING key, you'll need to do it to
the internal branding repo as well and roll its deps forward.

(E.g.: https://chromereviews.googleplex.com/415397013/ and
https://chromereviews.googleplex.com/430687013/)

[Sidney San Martín, 2016/09/21 23:19:20]

Done.

 MAC_CREATOR_CODE=Cr24