Improve monitor compatibility error, move feedback link into button

ash/display/display_configuration_controller.cc

Index: ash/display/display_configuration_controller.cc
diff --git a/ash/display/display_configuration_controller.cc b/ash/display/display_configuration_controller.cc
index 1e7bc4c7803e15378aec7c69ec803e9da4519503..7f9302ab4ce76f7707319044b54bd668b909298e 100644
--- a/ash/display/display_configuration_controller.cc
+++ b/ash/display/display_configuration_controller.cc
@@ -15,6 +15,7 @@
 #include "ash/display/display_animator_chromeos.h"
 #include "base/sys_info.h"
 #include "grit/ash_strings.h"
+#include "ui/base/l10n/l10n_util.h"
 #endif
 
 namespace {
@@ -84,8 +85,11 @@ void DisplayConfigurationController::SetMirrorMode(bool mirror,
                                                    bool user_action) {
   if (display_manager_->num_connected_displays() > 2) {
 #if defined(OS_CHROMEOS)
-    if (user_action)
-      ShowDisplayErrorNotification(IDS_ASH_DISPLAY_MIRRORING_NOT_SUPPORTED);
+    if (user_action) {
+      ShowDisplayErrorNotification(
+          l10n_util::GetStringUTF16(IDS_ASH_DISPLAY_MIRRORING_NOT_SUPPORTED),
+          false);
+    }
 #endif
     return;
   }