Remove old session history logic.

content/renderer/render_view_impl.h

 // Copyright (c) 2012 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_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 76 matching lines @@
 struct WebPoint;
 struct WebWindowFeatures;
 
 #if defined(OS_ANDROID)
 class WebHitTestResult;
 #endif
 }  // namespace blink
 
 namespace content {
 
-class HistoryController;
 class RendererDateTimePicker;
 class RenderViewImplTest;
 class RenderViewObserver;
 class RenderViewTest;
 class SpeechRecognitionDispatcher;
 struct FaviconURL;
 struct FileChooserParams;
 struct ResizeParams;
 
 namespace mojom {
@@ skipping 50 matching lines @@
   }
 
   const RendererPreferences& renderer_preferences() const {
     return renderer_preferences_;
   }
 
   void set_send_content_state_immediately(bool value) {
     send_content_state_immediately_ = value;
   }
 
-  HistoryController* history_controller() {
-    return history_controller_.get();
-  }
-
   // Functions to add and remove observers for this object.
   void AddObserver(RenderViewObserver* observer);
   void RemoveObserver(RenderViewObserver* observer);
 
   // Returns the StatsCollectionObserver associated with this view, or NULL
   // if one wasn't created;
   StatsCollectionObserver* GetStatsCollectionObserver() {
     return stats_collection_observer_.get();
   }
 
@@ skipping 29 matching lines @@
   void AttachWebFrameWidget(blink::WebFrameWidget* frame_widget);
 
   void TransferActiveWheelFlingAnimation(
       const blink::WebActiveWheelFlingParameters& params) override;
 
   // Starts a timer to send an UpdateState message on behalf of |frame|, if the
   // timer isn't already running. This allows multiple state changing events to
   // be coalesced into one update.
   void StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame);
 
-  // Synchronously sends the current navigation state to the browser.
-  void SendUpdateState();
-
   // A popup widget opened by this view needs to be shown.
   void ShowCreatedPopupWidget(RenderWidget* popup_widget,
                               blink::WebNavigationPolicy policy,
                               const gfx::Rect& initial_rect);
   // A RenderWidgetFullscreen widget opened by this view needs to be shown.
   void ShowCreatedFullscreenWidget(RenderWidget* fullscreen_widget,
                                    blink::WebNavigationPolicy policy,
                                    const gfx::Rect& initial_rect);
 
   // Returns the length of the session history of this RenderView. Note that
@@ skipping 555 matching lines @@
   blink::WebFrameWidget* frame_widget_;
 
   // The next group of objects all implement RenderViewObserver, so are deleted
   // along with the RenderView automatically.  This is why we just store
   // weak references.
 
   // The speech recognition dispatcher attached to this view, lazily
   // initialized.
   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
 
-  std::unique_ptr<HistoryController> history_controller_;
-
 #if defined(OS_ANDROID)
   // Android Specific ---------------------------------------------------------
 
   // Expected id of the next content intent launched. Used to prevent scheduled
   // intents to be launched if aborted.
   size_t expected_content_intent_id_;
 
   // List of click-based content detectors.
   std::vector<std::unique_ptr<ContentDetector>> content_detectors_;
 
@@ skipping 36 matching lines @@
   // ---------------------------------------------------------------------------
 
   base::WeakPtrFactory<RenderViewImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_