Move LoadProgressTracker to the browser process.

content/renderer/load_progress_tracker.h

-// Copyright (c) 2011 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_RENDERER_LOAD_PROGRESS_TRACKER_H_
-#define CONTENT_RENDERER_LOAD_PROGRESS_TRACKER_H_
-
-#include "base/containers/hash_tables.h"
-#include "base/logging.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-
-namespace content {
-class RenderViewImpl;
-
-class LoadProgressTracker {
- public:
-  explicit LoadProgressTracker(RenderViewImpl* render_view);
-  ~LoadProgressTracker();
-
-  void DidStartLoading(int frame_routing_id);
-  void DidStopLoading(int frame_routing_id);
-
-  void DidChangeLoadProgress(int frame_routing_id, double progress);
-
- private:
-  void ResetStates();
-
-  void SendChangeLoadProgress();
-
-  RenderViewImpl* render_view_;
-
-  // ProgressMap maps RenderFrame routing ids to a double representing that
-  // frame's completion (from 0 to 1).
-  typedef base::hash_map<int, double> ProgressMap;
-  ProgressMap progresses_;
-  double total_progress_;
-
-  base::TimeTicks last_time_progress_sent_;
-
-  base::WeakPtrFactory<LoadProgressTracker> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(LoadProgressTracker);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_LOAD_PROGRESS_TRACKER_H_