Changed new tab content for Guest Session.

chrome/browser/views/frame/browser_view.cc

Index: chrome/browser/views/frame/browser_view.cc
diff --git a/chrome/browser/views/frame/browser_view.cc b/chrome/browser/views/frame/browser_view.cc
index bc77707a2fdf459f5bc88aadfa4ebb6992eb1c5d..fb4be8840bb56c838cff5ced8ffb06cdf22e2bce 100644
--- a/chrome/browser/views/frame/browser_view.cc
+++ b/chrome/browser/views/frame/browser_view.cc
@@ -601,7 +601,13 @@ bool BrowserView::IsOffTheRecord() const {
 }
 
 bool BrowserView::ShouldShowOffTheRecordAvatar() const {
-  return IsOffTheRecord() && IsBrowserTypeNormal();
+  bool should_show_off_the_record_avatar =
+      IsOffTheRecord() && IsBrowserTypeNormal();
+#if defined(OS_CHROMEOS)
+  should_show_off_the_record_avatar = should_show_off_the_record_avatar &&
+      !CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession);
+#endif
+  return should_show_off_the_record_avatar;
 }
 
 bool BrowserView::AcceleratorPressed(const views::Accelerator& accelerator) {