Replace js Dimensions with shadow view in InputAccessoryViewExample

Reviewed By: mmmulani

Differential Revision: D7196168

fbshipit-source-id: 031ed5ab24d1075f775ec71e5b78d32e03fe8f6f

Libraries/Text/TextInput/RCTInputAccessoryViewManager.m

@@ -7,6 +7,7 @@
 
 #import "RCTInputAccessoryViewManager.h"
 
+#import "RCTInputAccessoryShadowView.h"
 #import "RCTInputAccessoryView.h"
 
 @implementation RCTInputAccessoryViewManager
@@ -23,6 +24,11 @@ RCT_EXPORT_MODULE()
   return [[RCTInputAccessoryView alloc] initWithBridge:self.bridge];
 }
 
+- (RCTShadowView *)shadowView
+{
+  return [RCTInputAccessoryShadowView new];
+}
+
 RCT_REMAP_VIEW_PROPERTY(backgroundColor, inputAccessoryView.backgroundColor, UIColor)
 
 @end