Merge pull request ECSlidingViewController#27 from anagromataf/feature/keep-top-view-frame

Keep frame of the top view

Author: leongersing

ECSlidingViewController/Vendor/ECSlidingViewController/ECSlidingViewController.m

@@ -93,6 +93,8 @@ @implementation ECSlidingViewController
 
 - (void)setTopViewController:(UIViewController *)theTopViewController
 {
+  CGRect topViewFrame = _topViewController ? _topViewController.view.frame : self.view.bounds;
+  
   [self removeTopViewSnapshot];
   [_topViewController.view removeFromSuperview];
   [_topViewController willMoveToParentViewController:nil];
@@ -104,7 +106,7 @@ - (void)setTopViewController:(UIViewController *)theTopViewController
   [self.topViewController didMoveToParentViewController:self];
 
   [_topViewController.view setAutoresizingMask:self.autoResizeToFillScreen];
-  [_topViewController.view setFrame:self.view.bounds];
+  [_topViewController.view setFrame:topViewFrame];
   _topViewController.view.layer.shadowOffset = CGSizeZero;
   _topViewController.view.layer.shadowPath = [UIBezierPath bezierPathWithRect:self.view.layer.bounds].CGPath;