[Mac] Star as a rhs-decoration in AutocompleteTextFieldCell.

chrome/browser/cocoa/location_bar/star_decoration.h

+// Copyright (c) 2010 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_COCOA_LOCATION_BAR_STAR_DECORATION_H_
+#define CHROME_BROWSER_COCOA_LOCATION_BAR_STAR_DECORATION_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "chrome/browser/cocoa/location_bar/image_decoration.h"
+
+class CommandUpdater;
+
+// Star icon on the right side of the field.
+
+class StarDecoration : public ImageDecoration {
+ public:
+  explicit StarDecoration(CommandUpdater* command_updater);
+  virtual ~StarDecoration();
+
+  // Sets the image and tooltip based on |starred|.
+  void SetStarred(bool starred);
+
+  // Get the point where the bookmark bubble should point within the
+  // decoration's frame.
+  NSPoint GetBubblePointInFrame(NSRect frame);
+
+  // Implement |LocationBarDecoration|.
+  virtual bool OnMousePressed(NSRect frame);
+  virtual NSString* GetToolTip();
+
+ private:
+  // For bringing up bookmark bar.
+  CommandUpdater* command_updater_;  // Weak, owned by Browser.
+
+  // The string to show for a tooltip.
+  scoped_nsobject<NSString> tooltip_;
+
+  DISALLOW_COPY_AND_ASSIGN(StarDecoration);
+};
+
+#endif  // CHROME_BROWSER_COCOA_LOCATION_BAR_STAR_DECORATION_H_