alternate ntp (cros/partial-win): add tab-related stuff and toolbar/tab background change

chrome/browser/ui/views/frame/browser_non_client_frame_view.h

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view.h
diff --git a/chrome/browser/ui/views/frame/browser_non_client_frame_view.h b/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
index 5084ab0d6b969bbec020228337f7015808e04611..8b57383691e695248d56dad179d040746fe4d79a 100644
--- a/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
+++ b/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
@@ -7,8 +7,13 @@
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/ui/search/search_types.h"
 #include "ui/views/window/non_client_view.h"
 
+namespace gfx {
+class ImageSkia;
+}  // namespace gfx
+
 class AvatarMenuButton;
 class BrowserFrame;
 class BrowserView;
@@ -46,6 +51,12 @@ class BrowserNonClientFrameView : public views::NonClientFrameView {
   // Updates the title and icon of the avatar button.
   void UpdateAvatarInfo();
 
+  // Returns the toolbar background color.
+  SkColor GetToolbarBackgroundColor(chrome::search::Mode::Type mode);
+
+  // Returns the toolbar background image.
+  gfx::ImageSkia* GetToolbarBackgroundImage(chrome::search::Mode::Type mode);
+
  private:
   // The frame that hosts this view.
   BrowserFrame* frame_;