[cros] Fix UI issues on SignIn pod.

chrome/browser/chromeos/login/message_bubble.cc

Index: chrome/browser/chromeos/login/message_bubble.cc
diff --git a/chrome/browser/chromeos/login/message_bubble.cc b/chrome/browser/chromeos/login/message_bubble.cc
index 82cb775b5282a5ca3fee9f7b28c4991de4758865..ab1ce1e66868f03daf353ef4b90f67d12ace45f3 100644
--- a/chrome/browser/chromeos/login/message_bubble.cc
+++ b/chrome/browser/chromeos/login/message_bubble.cc
@@ -6,6 +6,7 @@
 
 #include "app/resource_bundle.h"
 #include "base/logging.h"
+#include "chrome/browser/chromeos/login/helper.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "views/controls/button/image_button.h"
@@ -78,6 +79,8 @@ MessageBubble::MessageBubble(views::WidgetGtk::Type type,
     layout->StartRowWithPadding(0, 1, 0, kBorderSize);
     help_link_ = new views::Link(help);
     help_link_->SetController(this);
+    help_link_->SetNormalColor(login::kLinkColor);
+    help_link_->SetHighlightedColor(login::kLinkColor);
     layout->AddView(help_link_);
   }
 }