Remove usage of HostZoomMap from c/b/loader via ReadyToCommitNavigation

content/browser/web_contents/web_contents_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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <stdint.h>
 
 #include <functional>
@@ skipping 43 matching lines @@
 namespace service_manager {
 class InterfaceProvider;
 }
 
 namespace content {
 class BrowserPluginEmbedder;
 class BrowserPluginGuest;
 class DateTimeChooserAndroid;
 class DownloadItem;
 class FindRequestManager;
+class HostZoomMapObserver;
 class InterstitialPageImpl;
 class JavaScriptDialogManager;
 class LoaderIOThreadNotifier;
 class ManifestManagerHost;
 class MediaWebContentsObserver;
 class PluginContentOriginWhitelist;
 class PowerSaveBlocker;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class RenderWidgetHostImpl;
@@ skipping 1336 matching lines @@
   std::unique_ptr<LoaderIOThreadNotifier> loader_io_thread_notifier_;
 
   // Manages media players, CDMs, and power save blockers for media.
   std::unique_ptr<MediaWebContentsObserver> media_web_contents_observer_;
 
 #if defined(ENABLE_PLUGINS)
   // Observes pepper playback changes, and notifies MediaSession.
   std::unique_ptr<PepperPlaybackObserver> pepper_playback_observer_;
 #endif  // defined(ENABLE_PLUGINS)
 
+  std::unique_ptr<HostZoomMapObserver> host_zoom_map_observer_;
+
   std::unique_ptr<RenderWidgetHostInputEventRouter> rwh_input_event_router_;
 
   PageImportanceSignals page_importance_signals_;
 
   bool page_scale_factor_is_one_;
 
   // TextInputManager tracks the IME-related state for all the
   // RenderWidgetHostViews on this WebContents. Only exists on the outermost
   // WebContents and is automatically destroyed when a WebContents becomes an
   // inner WebContents by attaching to an outer WebContents. Then the
@@ skipping 31 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_