Changed Mac, Linux and Win Official Chrome build to drop default app CRXs in

chrome/browser/resources/default_apps/external_extensions.json

Index: chrome/browser/resources/default_apps/external_extensions.json
===================================================================
--- chrome/browser/resources/default_apps/external_extensions.json	(revision 0)
+++ chrome/browser/resources/default_apps/external_extensions.json	(revision 0)
@@ -0,0 +1,11 @@
+{
+  "blpcfgokakmgnkcojhhkbfbldkacnbeo" : {

[robertshield, 2011/09/27 20:07:14]

perhaps a comment here explaining what this file is?

[Roger Tawa OOO till Jul 10th, 2011/09/27 20:57:30]

I don't think comments are used in external_extensions.json, but if they are
I'll add some.  This file maps extension ids to the relative path (relative to
this file) to the crx that implements that extension.

+    "external_crx": "youtube.crx",
+    "external_version": "4.2"
+  },
+  "pjkljhegncpnkpknbcohdijeoejaedia" : {
+    "external_crx": "gmail.crx",
+    "external_version": "6.1.3"
+  }
+}
+