linux_aura: Theoretical crash for full screen transition.

chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc

Index: chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc
diff --git a/chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc b/chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc
index 5c5dd456d63fb52de53b72b6773ed609f35b507a..b23e670975b0cc52050861b72e8572b484f7326b 100644
--- a/chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc
+++ b/chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.cc
@@ -313,8 +313,8 @@ void OpaqueBrowserFrameViewLayout::LayoutTitleBar(views::View* host) {
 
   int size = delegate_->GetIconSize();
   int frame_thickness = FrameBorderThickness(false);
-  bool should_show_icon = delegate_->ShouldShowWindowIcon();
-  bool should_show_title = delegate_->ShouldShowWindowTitle();
+  bool should_show_icon = delegate_->ShouldShowWindowIcon() && window_icon_;
+  bool should_show_title = delegate_->ShouldShowWindowTitle() && window_title_;
 
   if (should_show_icon || should_show_title) {
     use_hidden_icon_location = false;