[Android] Prompt with infobar on filename conflict

chrome/browser/ui/android/infobars/download_overwrite_infobar.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 CHROME_BROWSER_UI_ANDROID_INFOBARS_DOWNLOAD_OVERWRITE_INFOBAR_H_
+#define CHROME_BROWSER_UI_ANDROID_INFOBARS_DOWNLOAD_OVERWRITE_INFOBAR_H_
+
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "chrome/browser/ui/android/infobars/infobar_android.h"
+
+namespace chrome {
+namespace android {
+class DownloadOverwriteInfoBarDelegate;
+}
+}
+
+// A native-side implementation of an infobar to ask whether to overwrite
+// an existing file with a new download.
+class DownloadOverwriteInfoBar : public InfoBarAndroid {
+ public:
+  static scoped_ptr<infobars::InfoBar> CreateInfoBar(
+      scoped_ptr<chrome::android::DownloadOverwriteInfoBarDelegate> delegate);
+  virtual ~DownloadOverwriteInfoBar();

[Peter Kasting, 2014/10/24 01:32:23]

Nit: "override" rather than "virtual"

[Changwan Ryu, 2014/10/27 06:40:04]

Done.

+
+ private:
+  explicit DownloadOverwriteInfoBar(
+      scoped_ptr<chrome::android::DownloadOverwriteInfoBarDelegate> delegate);
+
+  // InfoBarAndroid:
+  virtual base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(

[Peter Kasting, 2014/10/24 01:32:23]

Nit: "virtual" not necessary with "override" (2 places)

[Changwan Ryu, 2014/10/27 06:40:05]

Done.

+      JNIEnv* env) override;
+  virtual void ProcessButton(int action,
+                             const std::string& action_value) override;
+
+  chrome::android::DownloadOverwriteInfoBarDelegate* GetDelegate();
+
+  base::android::ScopedJavaGlobalRef<jobject> java_delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(DownloadOverwriteInfoBar);
+};
+
+// Registers the native methods through JNI.
+bool RegisterDownloadOverwriteInfoBarDelegate(JNIEnv* env);
+
+#endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_DOWNLOAD_OVERWRITE_INFOBAR_H_