Enable permission warnings from ManifestHandlers.

chrome/common/extensions/permissions/chrome_permission_message_provider.cc

Index: chrome/common/extensions/permissions/chrome_permission_message_provider.cc
diff --git a/chrome/common/extensions/permissions/chrome_permission_message_provider.cc b/chrome/common/extensions/permissions/chrome_permission_message_provider.cc
index 433c18d09e5d7634861479d666f973bff7d9bc61..cbd80d66f5a3ff68c7495ec04c27157302181f1d 100644
--- a/chrome/common/extensions/permissions/chrome_permission_message_provider.cc
+++ b/chrome/common/extensions/permissions/chrome_permission_message_provider.cc
@@ -37,8 +37,12 @@ PermissionMessages ChromePermissionMessageProvider::GetPermissionMessages(
   std::set<PermissionMessage> host_msgs =
       GetHostPermissionMessages(permissions, extension_type);
   std::set<PermissionMessage> api_msgs = GetAPIPermissionMessages(permissions);
+  std::set<PermissionMessage> manifest_permission_msgs =
+      GetManifestPermissionMessages(permissions);
   messages.insert(messages.end(), host_msgs.begin(), host_msgs.end());
   messages.insert(messages.end(), api_msgs.begin(), api_msgs.end());
+  messages.insert(messages.end(), manifest_permission_msgs.begin(),
+                  manifest_permission_msgs.end());
 
   return messages;
 }
@@ -185,6 +189,22 @@ ChromePermissionMessageProvider::GetAPIPermissionMessages(
 }
 
 std::set<PermissionMessage>
+ChromePermissionMessageProvider::GetManifestPermissionMessages(
+    const PermissionSet* permissions) const {
+  std::set<PermissionMessage> messages;
+  for (ManifestPermissionSet::const_iterator permission_it =
+           permissions->manifest_permissions().begin();
+      permission_it != permissions->manifest_permissions().end();
+      ++permission_it) {
+    if (permission_it->HasMessages()) {
+      PermissionMessages new_messages = permission_it->GetMessages();
+      messages.insert(new_messages.begin(), new_messages.end());
+    }
+  }
+  return messages;
+}
+
+std::set<PermissionMessage>
 ChromePermissionMessageProvider::GetHostPermissionMessages(
     const PermissionSet* permissions,
     Manifest::Type extension_type) const {