Add a centralized mechanism for whitelisting access to extension permissions.

chrome/common/extensions/extension_constants.cc

Index: chrome/common/extensions/extension_constants.cc
diff --git a/chrome/common/extensions/extension_constants.cc b/chrome/common/extensions/extension_constants.cc
index bb9c154e0942c839b00832cfaa8dbf2222d46ed0..95b4ba00868677e2d54c573ab818bb614bc7f1e3 100644
--- a/chrome/common/extensions/extension_constants.cc
+++ b/chrome/common/extensions/extension_constants.cc
@@ -510,6 +510,8 @@ const char kGeneratedBackgroundPageFilename[] =
 
 namespace extension_misc {
 const char kBookmarkManagerId[] = "eemcgdkfndhakfknompkggombfjjjeno";
+const char kEnterpriseWebStoreAppId[] = "afchcafgojfnemjkcbhfekplkmjaldaa";
+const char kHTermAppId[] = "pnhechapfaindjhompbnflcldabbghjo";
 const char kWebStoreAppId[] = "ahfgeienlihckogmohjhadlkjgocpleb";
 const char kCloudPrintAppId[] = "mfehgcgbbipciphmccgaenjidiccnmng";
 const char kAppsPromoHistogram[] = "Extensions.AppsPromo";