Bye bye Mandoline

components/html_viewer/stats_collection_controller.h

-// 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 COMPONENTS_HTML_VIEWER_STATS_COLLECTION_CONTROLLER_H_
-#define COMPONENTS_HTML_VIEWER_STATS_COLLECTION_CONTROLLER_H_
-
-#include "base/macros.h"
-#include "gin/wrappable.h"
-#include "mojo/services/tracing/public/interfaces/tracing.mojom.h"
-
-namespace blink {
-class WebFrame;
-}
-
-namespace mojo {
-class Shell;
-}
-
-namespace html_viewer {
-
-// 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 gin::Wrappable<StatsCollectionController> {
- public:
-  static gin::WrapperInfo kWrapperInfo;
-
-  // Install the JS and return a mojo:tracing InterfacePtr for stats reporting.
-  // This bails and returns a null pointer without the stats command line flag.
-  static tracing::StartupPerformanceDataCollectorPtr Install(
-      blink::WebFrame* frame,
-      mojo::Shell* shell);
-
-  // Return a mojo:metrics InterfacePtr for stats reporting.
-  // This bails and returns a null pointer without the stats command line flag.
-  static tracing::StartupPerformanceDataCollectorPtr ConnectToDataCollector(
-      mojo::Shell* shell);
-
- private:
-  explicit StatsCollectionController(
-      tracing::StartupPerformanceDataCollectorPtr collector);
-  ~StatsCollectionController() override;
-
-  // gin::WrappableBase
-  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
-      v8::Isolate* isolate) override;
-
-  // Retrieves a histogram and returns a JSON representation of it.
-  std::string GetHistogram(const std::string& histogram_name);
-
-  // Retrieves a browser histogram and returns a JSON representation of it.
-  std::string GetBrowserHistogram(const std::string& histogram_name);
-
-  tracing::StartupPerformanceDataCollectorPtr
-      startup_performance_data_collector_;
-
-  DISALLOW_COPY_AND_ASSIGN(StatsCollectionController);
-};
-
-}  // namespace html_viewer
-
-#endif  // COMPONENTS_HTML_VIEWER_STATS_COLLECTION_CONTROLLER_H_