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

chrome/browser/validation_message_message_filter.h

Index: chrome/browser/validation_message_message_filter.h
diff --git a/chrome/browser/validation_message_message_filter.h b/chrome/browser/validation_message_message_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..2fbdba381b6c519e653940a782c9e34192fc853d
--- /dev/null
+++ b/chrome/browser/validation_message_message_filter.h
@@ -0,0 +1,44 @@
+// 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_VALIDATION_MESSAGE_MESSAGE_FILTER_H_
+#define CHROME_BROWSER_VALIDATION_MESSAGE_MESSAGE_FILTER_H_
+
+#include "content/public/browser/browser_message_filter.h"
+
+namespace chrome {
+class ValidationMessageBubble;
+}
+
+namespace gfx {
+class Rect;
+}
+
+// A message filter implementation that receives validation message requests
+// from ValidationMessageAgent.
+class ValidationMessageMessageFilter : public content::BrowserMessageFilter {
+ public:
+  explicit ValidationMessageMessageFilter(int renderer_id);
+
+  // content::BrowserMessageFilter implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok) OVERRIDE;
+  virtual void OverrideThreadForMessage(
+      const IPC::Message& message, content::BrowserThread::ID* thread) OVERRIDE;
+
+ private:
+  virtual ~ValidationMessageMessageFilter();
+  void OnShowValidationMessage(int route_id,
+                               const gfx::Rect& anchor_in_screen,
+                               const string16& main_text,
+                               const string16& sub_text);
+  void OnHideValidationMessage();
+
+  scoped_ptr<chrome::ValidationMessageBubble> validation_message_bubble_;
+  int renderer_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(ValidationMessageMessageFilter);
+};
+
+#endif  // CHROME_BROWSER_VALIDATION_MESSAGE_MESSAGE_FILTER_H_