gtk: Add SabTab interface and break the dependency on gtk from SadTabHelper.

BUG=125846
TEST=navigate to chrome://crash or open the Task Manager and end some process.
Both should work fine as before, no regressions
R=erg@chromium.org
TBR=ben@chromium.org

Review URL: https://codereview.chromium.org/11316273

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171471 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 33 insertions, 0 deletions

diff --git a/chrome/browser/ui/sad_tab.h b/chrome/browser/ui/sad_tab.h
new file mode 100644
index 0000000..b96c3e4
--- /dev/null
+++ b/chrome/browser/ui/sad_tab.h
@@ -0,0 +1,33 @@
+// Copyright 2012 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_SAD_TAB_H_
+#define CHROME_BROWSER_UI_SAD_TAB_H_
+
+#include "chrome/browser/ui/sad_tab_types.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace chrome {
+
+// Cross-platform interface to show the Sad tab UI.
+class SadTab {
+ public:
+  // Factory function to create the platform specific implementations.
+  static SadTab* Create(content::WebContents* web_contents, SadTabKind kind);
+
+  virtual ~SadTab() {}
+
+  // Shows the Sad tab.
+  virtual void Show() = 0;
+
+  // Closes the Sad tab.
+  virtual void Close() = 0;
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_UI_SAD_TAB_H_