CB-7179 (iOS): Add support to optionally use WKWebView for iOS

plugin.xml

@@ -20,7 +20,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
            id="cordova-plugin-inappbrowser"
-      version="3.0.1-dev">
+      version="3.1.0-dev">
 
     <name>InAppBrowser</name>
     <description>Cordova InAppBrowser Plugin</description>
@@ -76,11 +76,31 @@
         <config-file target="config.xml" parent="/*">
             <feature name="InAppBrowser">
                 <param name="ios-package" value="CDVInAppBrowser" />
+                <param name="onload" value="true" />
+            </feature>
+            <feature name="UIInAppBrowser">
+                <param name="ios-package" value="CDVUIInAppBrowser" />
+                <param name="onload" value="true" />
+            </feature>
+            <feature name="WKInAppBrowser">
+                <param name="ios-package" value="CDVWKInAppBrowser" />
+                <param name="onload" value="true" />
             </feature>
         </config-file>
 
         <header-file src="src/ios/CDVInAppBrowser.h" />
 	    <source-file src="src/ios/CDVInAppBrowser.m" />
+        <header-file src="src/ios/CDVInAppBrowserOptions.h" />
+        <source-file src="src/ios/CDVInAppBrowserOptions.m" />
+        <header-file src="src/ios/CDVInAppBrowserNavigationController.h" />
+        <source-file src="src/ios/CDVInAppBrowserNavigationController.m" />
+	    <header-file src="src/ios/CDVUIInAppBrowser.h" />
+	    <source-file src="src/ios/CDVUIInAppBrowser.m" />
+	    <header-file src="src/ios/CDVWKInAppBrowser.h" />
+	    <source-file src="src/ios/CDVWKInAppBrowser.m" />
+	    <header-file src="src/ios/CDVWKInAppBrowserUIDelegate.h" />
+	    <source-file src="src/ios/CDVWKInAppBrowserUIDelegate.m" />
+
 
 	    <framework src="CoreGraphics.framework" />
     </platform>