Showing the promo on release channel only.

BUG=138954
TEST=


Review URL: https://chromiumcodereview.appspot.com/10829192

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150297 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/extensions/file_browser_private_api.cc

@@ -38,6 +38,7 @@
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/file_browser_handler.h"
@@ -1723,6 +1724,9 @@ bool FileDialogStringsFunction::RunImpl() {
     board = "unknown";
   dict->SetString(kMachineInfoBoard, board);
 
+  dict->SetString("BROWSER_VERSION_MODIFIER",
+                  chrome::VersionInfo::GetVersionStringModifier());
+
   return true;
 }
 

chrome/browser/resources/file_manager/js/file_manager.js

@@ -3991,7 +3991,9 @@ FileManager.prototype = {
 
   FileManager.prototype.createGDataWelcomeHandler_ = function() {
     var board = str('CHROMEOS_RELEASE_BOARD');
-    var new_welcome = board.match(/^(stumpy|lumpy)/i);
+    // It is 'canary' or 'beta' for the other channels.
+    var releaseChannel = str('BROWSER_VERSION_MODIFIER') == '';
+    var new_welcome = board.match(/^(stumpy|lumpy)/i) && releaseChannel;
 
     var WELCOME_HEADER_COUNTER_KEY = 'gdataWelcomeHeaderCounter';
     var WELCOME_HEADER_COUNTER_LIMIT = 5;