[ios] review fix

iphone/Maps/Classes/MapViewController.h

@@ -34,6 +34,8 @@
 - (void)showRemoveAds;
 - (void)setPlacePageTopBound:(CGFloat)bound;
 
++ (void)setViewport:(double)lat lon:(double)lon zoomLevel:(int)zoomlevel;
+
 - (void)initialize;
 
 @property(nonatomic, readonly) MWMMapViewControlsManager * controlsManager;

iphone/Maps/Classes/MapViewController.mm

@@ -23,6 +23,8 @@
 
 #include "drape_frontend/user_event_stream.hpp"
 
+#include "geometry/mercator.hpp"
+
 #import <Crashlytics/Crashlytics.h>
 
 // If you have a "missing header error" here, then please run configure.sh script in the root repo
@@ -745,10 +747,20 @@ BOOL gIsFirstMyPositionMode = YES;
   return _downloadDialog;
 }
 
-- (void)setPlacePageTopBound:(CGFloat)bound;
+- (void)setPlacePageTopBound:(CGFloat)bound
 {
   self.visibleAreaBottom.constant = bound;
   self.sideButtonsAreaBottom.constant = bound;
 }
 
++ (void)setViewport:(double)lat lon:(double)lon zoomLevel:(int)zoomLevel
+{
+  Framework & f = GetFramework();
+  
+  f.StopLocationFollow();
+  
+  auto const center = MercatorBounds::FromLatLon(lat, lon);
+  f.SetViewportCenter(center, zoomLevel);
+}
+
 @end

iphone/Maps/Classes/MapsAppDelegate.mm

@@ -39,8 +39,6 @@
 #include "platform/http_thread_apple.h"
 #include "platform/local_country_file_utils.hpp"
 
-#include "geometry/mercator.hpp"
-
 #include "base/assert.hpp"
 
 #include "private.h"
@@ -271,9 +269,9 @@ using namespace osm_auth_ios;
       if (request.m_isSearchOnMap)
       {
         ASSERT([self isDrapeEngineCreated], ());
-        f.StopLocationFollow();
-        auto const center = MercatorBounds::FromLatLon(request.m_centerLat, request.m_centerLon);
-        f.SetViewportCenter(center, kSearchInViewportZoom);
+        [MapViewController setViewport:request.m_centerLat
+                                   lon:request.m_centerLon
+                             zoomLevel:kSearchInViewportZoom];
         [manager searchTextOnMap:query forInputLocale:locale];
       }
       else