[Android Downloads] Long-press menu item "Download Link" should delegate job to OfflinePages backen…

chrome/browser/android/offline_pages/downloads/resource_throttle.h

Index: chrome/browser/android/offline_pages/downloads/resource_throttle.h
diff --git a/chrome/browser/android/offline_pages/downloads/resource_throttle.h b/chrome/browser/android/offline_pages/downloads/resource_throttle.h
new file mode 100644
index 0000000000000000000000000000000000000000..8be007333467849f9134afc76f8166a03c1adbc5
--- /dev/null
+++ b/chrome/browser/android/offline_pages/downloads/resource_throttle.h
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.

[asanka, 2016/12/07 16:37:40]

Nit: copyright header is different now:

https://chromium.googlesource.com/chromium/src/+/master/styleguide/c++/c++.md...

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_DOWNLOADS_RESOURCE_THROTTLE_H_
+#define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_DOWNLOADS_RESOURCE_THROTTLE_H_
+
+#include "content/public/browser/resource_throttle.h"
+#include "net/url_request/url_request.h"
+
+namespace offline_pages {
+namespace downloads {
+
+// ResourceThrottle is used to determine if a download has text/html mime type
+// and should be handled as a full page download rather than a single .html
+// file download.
+class ResourceThrottle : public content::ResourceThrottle {
+ public:
+  explicit ResourceThrottle(const net::URLRequest* request);
+  ~ResourceThrottle() override;
+
+  // content::ResourceThrottle implementation:
+  void WillProcessResponse(bool* defer) override;
+  const char* GetNameForLogging() const override;
+
+ private:
+  const net::URLRequest* request_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResourceThrottle);
+};
+
+}  // namespace downloads
+}  // namespace offline_pages
+
+#endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_DOWNLOADS_RESOURCE_THROTTLE_H_