Add 'web_accessible_resource" keyword for version 2 extension manifests. This makes extension res...

chrome/common/extensions/extension_constants.cc

Index: chrome/common/extensions/extension_constants.cc
===================================================================
--- chrome/common/extensions/extension_constants.cc	(revision 115399)
+++ chrome/common/extensions/extension_constants.cc	(working copy)
@@ -112,6 +112,7 @@
 const char kType[] = "type";
 const char kUpdateURL[] = "update_url";
 const char kVersion[] = "version";
+const char kWebAccessibleResources[] = "web_accessible_resources";
 const char kWebURLs[] = "app.urls";
 }  // namespace extension_manifest_keys
 
@@ -384,6 +385,10 @@
 const char kInvalidVersion[] =
     "Required value 'version' is missing or invalid. It must be between 1-4 "
     "dot-separated integers each between 0 and 65536.";
+const char kInvalidWebAccessibleResourcesList[] =
+    "Invalid value for 'web_accessible_resources'.";
+const char kInvalidWebAccessibleResource[] =
+    "Invalid value for 'web_accessible_resources[*]'.";
 const char kInvalidWebURL[] =
     "Invalid value for 'app.urls[*]': *";
 const char kInvalidWebURLs[] =