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

content/public/browser/tracing_delegate.h

Index: content/public/browser/tracing_delegate.h
diff --git a/content/public/browser/tracing_delegate.h b/content/public/browser/tracing_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..323dbca7a8fbc6bf7967c76fe34bb78574048110
--- /dev/null
+++ b/content/public/browser/tracing_delegate.h
@@ -0,0 +1,25 @@
+// 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_BROWSER_TRACING_TRACING_DELEGATE_H_
+#define CONTENT_BROWSER_TRACING_TRACING_DELEGATE_H_
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+namespace content {
+class TraceUploader;
+
+class TracingDelegate {
+ public:
+  virtual ~TracingDelegate() {}
+
+  virtual TraceUploader* GetTraceUploader(
+      net::URLRequestContextGetter* request_context) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_TRACING_TRACING_DELEGATE_H_