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

chrome/browser/tracing/chrome_tracing_delegate.cc

Index: chrome/browser/tracing/chrome_tracing_delegate.cc
diff --git a/chrome/browser/tracing/chrome_tracing_delegate.cc b/chrome/browser/tracing/chrome_tracing_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5de50118a46f40eb20c6eef84e60f993fd4be035
--- /dev/null
+++ b/chrome/browser/tracing/chrome_tracing_delegate.cc
@@ -0,0 +1,11 @@
+// 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.
+
+#include "chrome/browser/tracing/chrome_tracing_delegate.h"
+#include "chrome/browser/tracing/crash_service_uploader.h"
+
+content::TraceUploader* ChromeTracingDelegate::GetTraceUploader(
+    net::URLRequestContextGetter* request_context) {
+  return new TraceCrashServiceUploader(request_context);
+}