alternate ntp: tweaks and fixes for bookmark bar in ntp

chrome/browser/ui/views/detachable_toolbar_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_DETACHABLE_TOOLBAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_DETACHABLE_TOOLBAR_VIEW_H_
 
 #include "ui/views/accessible_pane_view.h"
 
 struct SkRect;
@@ skipping 32 matching lines @@
   // only a small round rectangle is for drawing our content on. This calculates
   // how big this area is, where it is located within the shelf and how round
   // the edges should be.
   static void CalculateContentArea(double animation_state,
                                    double horizontal_padding,
                                    double vertical_padding,
                                    SkRect* rect,
                                    double* roundness,
                                    views::View* view);
 
-  // Paint the horizontal border separating the shelf/bar from the page content.
+  // Paint the horizontal border separating the shelf/bar from the page content,
+  // with COLOR_TOOLBAR_SEPARATOR.
   static void PaintHorizontalBorder(gfx::Canvas* canvas,
                                     DetachableToolbarView* view);
 
+  // Similar to PaintHorizontalBorder but with the specified |border_color|.
+  static void PaintHorizontalBorderWithColor(gfx::Canvas* canvas,
+                                             DetachableToolbarView* view,
+                                             SkColor border_color);
+
   // Paint the background of the content area (the surface behind the
   // bookmarks). |rect| is the rectangle to paint the background within.
   // |roundness| describes the roundness of the corners.
   static void PaintContentAreaBackground(gfx::Canvas* canvas,
                                          ui::ThemeProvider* theme_provider,
                                          const SkRect& rect,
                                          double roundness);
   // Paint the border around the content area (when in detached mode).
   static void PaintContentAreaBorder(gfx::Canvas* canvas,
                                      ui::ThemeProvider* theme_provider,
@@ skipping 13 matching lines @@
                                    int vertical_padding,
                                    SkColor top_color,
                                    SkColor middle_color,
                                    SkColor bottom_color);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DetachableToolbarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DETACHABLE_TOOLBAR_VIEW_H_