Revert 202620 "Collect tab timing information for use in telemen..."

trunk/src/content/renderer/stats_collection_controller.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 CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_
-#define CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_
-
-#include "ipc/ipc_sender.h"
-#include "webkit/glue/cpp_bound_class.h"
-
-namespace content {
-
-// This class is exposed in JS as window.statsCollectionController and provides
-// functionality to read out statistics from the browser.
-// Its use must be enabled specifically via the
-// --enable-stats-collection-bindings command line flag.
-class StatsCollectionController : public webkit_glue::CppBoundClass {
- public:
-  StatsCollectionController();
-
-  void set_message_sender(IPC::Sender* sender) {
-    sender_ = sender;
-  }
-
-  // Retrieves a histogram and returns a JSON representation of it.
-  void GetHistogram(const webkit_glue::CppArgumentList& args,
-                    webkit_glue::CppVariant* result);
-
-  // Retrieves a histogram from the browser process and returns a JSON
-  // representation of it.
-  void GetBrowserHistogram(const webkit_glue::CppArgumentList& args,
-                           webkit_glue::CppVariant* result);
-
-  // Returns JSON representation of tab timing information for the current tab.
-  void GetTabLoadTiming(const webkit_glue::CppArgumentList& args,
-                        webkit_glue::CppVariant* result);
- private:
-  IPC::Sender* sender_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_STATS_COLLECTION_CONTROLLER_H_