[ios] Changed navigation bar's image.

iphone/Maps/Classes/MWMBookmarkDescriptionViewController.mm

@@ -221,12 +221,12 @@ typedef NS_ENUM(NSUInteger, BookmarkDescriptionState)
 
 - (UIButton *)backButton
 {
-  UIImage * backImage = [UIImage imageNamed:@"NavigationBarBackButton"];
+  UIImage * backImage = [UIImage imageNamed:@"ic_nav_bar_back"];
   CGFloat const imageSide = backImage.size.width;
   UIButton * button = [[UIButton alloc] initWithFrame:CGRectMake(0., 0., imageSide, imageSide)];
   [button setImage:backImage forState:UIControlStateNormal];
   [button addTarget:self action:@selector(backTap) forControlEvents:UIControlEventTouchUpInside];
-  button.imageEdgeInsets = UIEdgeInsetsMake(0., -imageSide, 0., 0.);
+  button.imageEdgeInsets = UIEdgeInsetsMake(0., -32., 0., 0.);
   return button;
 }
 

iphone/Maps/Classes/UIViewController+Navigation.mm

@@ -5,12 +5,12 @@
 
 - (void)showBackButton
 {
-  UIImage * backImage = [UIImage imageNamed:@"NavigationBarBackButton"];
+  UIImage * backImage = [UIImage imageNamed:@"ic_nav_bar_back"];
   CGFloat const imageSide = backImage.size.width;
   UIButton * button = [[UIButton alloc] initWithFrame:CGRectMake(0., 0., imageSide, imageSide)];
   [button setImage:backImage forState:UIControlStateNormal];
   [button addTarget:self action:@selector(backTap) forControlEvents:UIControlEventTouchUpInside];
-  button.imageEdgeInsets = UIEdgeInsetsMake(0., -imageSide, 0., 0.);
+  button.imageEdgeInsets = UIEdgeInsetsMake(0., -32, 0., 0.);
   UIBarButtonItem * leftItem = [[UIBarButtonItem alloc] initWithCustomView:button];
   self.navigationItem.leftBarButtonItem = leftItem;
 }

iphone/Maps/Images.xcassets/Navigation Bar/NavigationBarBackButton.imageset/Contents.json

@@ -1,23 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "scale" : "1x",
-      "filename" : "ic_back.png"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "2x",
-      "filename" : "ic_back@2x.png"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x",
-      "filename" : "ic_back@3x.png"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}