Add feedback uploader to upload reports in a sequenced manner with retries.

chrome/browser/feedback/feedback_uploader_factory.h

+// Copyright 2013 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 CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_
+#define CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_
+
+#include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
+
+template<typename T> struct DefaultSingletonTraits;
+
+namespace content {
+class BrowserContext;
+}
+
+namespace feedback {
+
+class FeedbackUploader;
+
+// Singleton that owns the FeedbackUploaders and associates them with profiles;
+class FeedbackUploaderFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  // Returns singleton instance of FeedbackUploaderFactory.
+  static FeedbackUploaderFactory* GetInstance();
+
+  // Returns the Feedback Uploader associated with |context|.
+  static FeedbackUploader* GetForBrowserContext(
+      content::BrowserContext* context);
+
+ private:
+  friend struct DefaultSingletonTraits<FeedbackUploaderFactory>;
+
+  FeedbackUploaderFactory();
+  virtual ~FeedbackUploaderFactory();
+
+  // BrowserContextKeyedServiceFactory overrides:
+  virtual BrowserContextKeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(FeedbackUploaderFactory);
+};
+
+}  // namespace feedback
+
+#endif  // CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_