Check temporary zoom status when sending zoom level in navigation.

content/browser/host_zoom_map_impl.h

Index: content/browser/host_zoom_map_impl.h
diff --git a/content/browser/host_zoom_map_impl.h b/content/browser/host_zoom_map_impl.h
index f9002872e7c624a5fec63241d63fe1900e19fcc0..861d2dcdc50ccee69b4b85475b832f37060bc4f4 100644
--- a/content/browser/host_zoom_map_impl.h
+++ b/content/browser/host_zoom_map_impl.h
@@ -45,6 +45,8 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
   void SetTemporaryZoomLevel(int render_process_id,
                              int render_view_id,
                              double level) override;
+  double GetTemporaryZoomLevel(int render_process_id,
+                               int render_view_id) const override;
 
   void ClearTemporaryZoomLevel(int render_process_id,
                                int render_view_id) override;
@@ -71,14 +73,6 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
                            double level,
                            const std::string& host);
 
-  // Returns the temporary zoom level that's only valid for the lifetime of
-  // the given WebContents (i.e. isn't saved and doesn't affect other
-  // WebContentses) if it exists, the default zoom level otherwise.
-  //
-  // This may be called on any thread.
-  double GetTemporaryZoomLevel(int render_process_id,
-                               int render_view_id) const;
-
   // NotificationObserver implementation.
   void Observe(int type,
                const NotificationSource& source,