Componentize sad_tab

components/sad_tab/sad_tab_client.h

+// 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 COMPONENTS_SAD_TAB_SAD_TAB_CLIENT_H_
+#define COMPONENTS_SAD_TAB_SAD_TAB_CLIENT_H_
+
+#include <string>
+
+#include "components/sad_tab/sad_tab_types.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace gfx {
+class ImageSkia;
+}
+
+namespace sad_tab {
+
+class SadTabClient {
+ public:
+  virtual ~SadTabClient() {}
+
+  // Returns true if the browser is in shutdown.
+  virtual bool IsInBrowserShutdown() = 0;
+
+  // Shows the feedback page.
+  virtual void ShowFeedbackPage(content::WebContents* web_contents,
+                                const std::string& description_template,
+                                const std::string& category_tag) = 0;
+
+  // Returns the image to be shown on a tab of the specified kind.
+  virtual gfx::ImageSkia* GetImageForKind(SadTabKind kind) = 0;
+};
+
+}  // namespace sad_tab
+
+#endif  // COMPONENTS_SAD_TAB_SAD_TAB_CLIENT_H_