MacViews: Fix duplicate definition of ValidationMessageBubble::ShowAndCreate

chrome/browser/ui/cocoa/validation_message_bubble_cocoa.h

+// Copyright 2015 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_VALIDATION_MESSAGE_BUBBLE_COCOA_H_
+#define CHROME_BROWSER_UI_COCOA_VALIDATION_MESSAGE_BUBBLE_COCOA_H_
+
+#include "base/mac/scoped_nsobject.h"
+#include "chrome/browser/ui/validation_message_bubble.h"
+
+@class ValidationMessageBubbleController;
+
+namespace content {
+class WebContents;
+}
+
+class ValidationMessageBubbleCocoa : public ValidationMessageBubble {
+ public:
+  ValidationMessageBubbleCocoa(content::WebContents* web_contents,
+                               const gfx::Rect& anchor_in_root_view,
+                               const base::string16& main_text,
+                               const base::string16& sub_text);
+  ~ValidationMessageBubbleCocoa() override;
+
+  // ValidationMessageBubble overrides:
+  void SetPositionRelativeToAnchor(
+      content::RenderWidgetHost* widget_host,
+      const gfx::Rect& anchor_in_root_view) override;
+
+ private:
+  base::scoped_nsobject<ValidationMessageBubbleController> controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(ValidationMessageBubbleCocoa);
+};
+
+#endif  // CHROME_BROWSER_UI_COCOA_VALIDATION_MESSAGE_BUBBLE_COCOA_H_