Add ManagePasswordsDecoration and unit tests.

chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h b/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
new file mode 100644
index 0000000000000000000000000000000000000000..b63a822adb99b7c0200eb7bacc24c9cf6c6a755b
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+++ b/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
@@ -0,0 +1,62 @@
+// Copyright 2014 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_COCOA_LOCATION_BAR_MANAGE_PASSWORDS_DECORATION_H_
+#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_MANAGE_PASSWORDS_DECORATION_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
+#include "chrome/browser/ui/passwords/manage_passwords_icon.h"
+
+class CommandUpdater;
+class ManagePasswordsDecoration;
+
+// Cocoa implementation of ManagePasswordsIcon that delegates to
+// ManagePasswordsDecoration.
+class ManagePasswordsIconCocoa : public ManagePasswordsIcon {
+ public:
+  ManagePasswordsIconCocoa(ManagePasswordsDecoration* decoration);
+  virtual ~ManagePasswordsIconCocoa();
+  virtual void UpdateVisibleUI() OVERRIDE;
+
+  int icon_id() { return icon_id_; }
+  int tooltip_text_id() { return tooltip_text_id_; }
+
+ private:
+  ManagePasswordsDecoration* decoration_;  // weak, owns us
+};
+
+// Manage passwords icon on the right side of the field. This appears when
+// password management is available on the current page.
+class ManagePasswordsDecoration : public ImageDecoration {
+ public:
+  explicit ManagePasswordsDecoration(CommandUpdater* command_updater);
+  virtual ~ManagePasswordsDecoration();
+
+  // Implement |LocationBarDecoration|
+  virtual bool AcceptsMousePress() OVERRIDE;
+  virtual bool OnMousePressed(NSRect frame, NSPoint location) OVERRIDE;
+  virtual NSString* GetToolTip() OVERRIDE;
+  virtual NSPoint GetBubblePointInFrame(NSRect frame) OVERRIDE;
+
+  // Updates the decoration according to icon state changes.
+  void UpdateVisibleUI();
+
+  // Accessor for the platform-independent interface.
+  ManagePasswordsIconCocoa* icon() { return icon_.get(); }
+
+ private:
+  // Shows the manage passwords bubble.
+  CommandUpdater* command_updater_;  // Weak, owned by Browser.
+
+  // The platform-independent interface.
+  scoped_ptr<ManagePasswordsIconCocoa> icon_;
+
+  DISALLOW_COPY_AND_ASSIGN(ManagePasswordsDecoration);
+};
+
+#endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_MANAGE_PASSWORDS_DECORATION_H_