[iOS] Text should not overflow Entry if it can't fit inside the bounds (#400)

* Entry subviews should clip to parent bounds

* Adding sample code

* Adding sample code

* Adding sample code

* remove sample

* remove sample

* add back the sample code

* add back missing include

* use spaces instead of tabs

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla44944.cs

@@ -0,0 +1,36 @@
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+
+#if UITEST
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls
+{
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Bugzilla, 44944, "iOS: Text goes outside the bounds of Entry if it can't fit inside", PlatformAffected.iOS)]
+	public class Bugzilla44944 : TestContentPage
+	{
+		protected override void Init()
+		{
+			Content = new Grid
+			{
+				Children =
+				{
+					new Label
+					{
+						Text = @"Tap the Entry, type some text, and type anywhere on the screen to dismiss the keyboard. Even though it has a large fontsize (200), the text should not go outside the bounds of the Entry. Instead, it should be clipped by the Entry.",
+						VerticalOptions = LayoutOptions.Start
+					},
+					new Entry
+					{
+						FontSize = 200,
+						HorizontalOptions = LayoutOptions.Center,
+						VerticalOptions = LayoutOptions.Center
+					}
+				}
+			};
+		}
+	}
+}

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -128,6 +128,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla42519.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla43516.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla43663.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bugzilla44944.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla44166.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla44461.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla44584.cs" />

Xamarin.Forms.Platform.iOS/Renderers/EntryRenderer.cs

@@ -45,6 +45,7 @@ namespace Xamarin.Forms.Platform.iOS
 
 				_defaultTextColor = textField.TextColor;
 				textField.BorderStyle = UITextBorderStyle.RoundedRect;
+				textField.ClipsToBounds = true;
 
 				textField.EditingChanged += OnEditingChanged;