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diff --git a/toolkit/crashreporter/google-breakpad/src/tools/windows/converter_exe/http_download.h b/toolkit/crashreporter/google-breakpad/src/tools/windows/converter_exe/http_download.h
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+++ b/toolkit/crashreporter/google-breakpad/src/tools/windows/converter_exe/http_download.h
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+// Copyright 2019 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_
+#define TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_
+
+#include <map>
+#include <string>
+#include "tools/windows/converter_exe/winhttp_client.h"
+
+namespace crash {
+
+using std::map;
+using std::string;
+using std::wstring;
+
+class HTTPDownload {
+ public:
+  // Retrieves the resource located at |url|, a http or https URL, via WinInet.
+  // The request is fetched with GET request; the optional |parameters| are
+  // appended to the URL.  Returns true on success, placing the content of the
+  // retrieved resource in |content|.  Returns false on failure.  HTTP status
+  // codes other than 200 cause Download to return false.  If |status_code| is
+  // supplied, it will be set to the value of the HTTP status code, if an HTTP
+  // transaction occurs.  If Download fails before a transaction can occur,
+  // |status_code| will be set to 0.  Any failures will result in messages
+  // being printed to stderr.
+  static bool Download(const wstring &url,
+                       const map<wstring, wstring> *parameters,
+                       string *content, int *status_code);
+ private:
+  static HttpClient* CreateHttpClient(const wchar_t*);
+};
+
+}  // namespace crash
+
+#endif  // TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_