Re-implement form validation message UI with native widgets. (Common and Mac)

chrome/browser/ui/cocoa/validation_message_bubble_controller.h

Index: chrome/browser/ui/cocoa/validation_message_bubble_controller.h
diff --git a/chrome/browser/ui/cocoa/validation_message_bubble_controller.h b/chrome/browser/ui/cocoa/validation_message_bubble_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..c26c95ec165f414be912f6b8fffbff3a34d293f4
--- /dev/null
+++ b/chrome/browser/ui/cocoa/validation_message_bubble_controller.h
@@ -0,0 +1,25 @@
+// Copyright (c) 2013 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_CONTROLLER_H_
+#define CHROME_BROWSER_UI_COCOA_VALIDATION_MESSAGE_BUBBLE_CONTROLLER_H_
+
+#include "base/string16.h"
+#import "chrome/browser/ui/cocoa/base_bubble_controller.h"
+
+// A bubble controller implementation for ValidationMessageBubbleCocoa class.
+@interface ValidationMessageBubbleController : BaseBubbleController
+
+- (id)init:(NSWindow*)parentWindow
+anchoredAt:(NSPoint)anchorPoint
+  mainText:(const string16&)mainText
+   subText:(const string16&)subText;
+
+// This is exposed for testing.
++ (NSView*)constructContentView:(const string16&)mainText
+                        subText:(const string16&)subText;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_VALIDATION_MESSAGE_BUBBLE_CONTROLLER_H_