Moved the TraceUploader to chrome/ and abstracted it for alternative new upload destinations.

content/public/browser/trace_uploader.h

+// Copyright 2015 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 CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_
+#define CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_
+
+#include "base/callback.h"
+
+namespace content {
+
+class TraceUploader {

[Charlie Reis, 2015/02/12 17:11:32]

Please add a class-level comment, since this is the public API.

[oystein (OOO til 10th of July), 2015/02/13 17:02:45]

Done.

+ public:
+  typedef base::Callback<void(bool, const std::string&, const std::string&)>

[Charlie Reis, 2015/02/12 17:11:32]

Let's document these callbacks so that embedders know what they're for, and what
the parameters are.

[oystein (OOO til 10th of July), 2015/02/13 17:02:45]

Done.

+      UploadDoneCallback;
+  typedef base::Callback<void(int64, int64)> UploadProgressCallback;
+
+  virtual ~TraceUploader() {}
+
+  // Compresses and uploads the given file contents.
+  virtual void DoUpload(const std::string& file_contents,
+                        const UploadProgressCallback& progress_callback,
+                        const UploadDoneCallback& done_callback) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_