[Android] Port simple ContentSettings tests to android_webview.

android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java b/android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java
index d375b32ac17f6aecd590ba0172b0dffb9593041f..5e6930fc2a216e22716a8cd2eb44f358e86fecf6 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/AndroidWebViewTestBase.java
@@ -160,4 +160,14 @@ public class AndroidWebViewTestBase
         });
         return testContainerView.get();
     }
+
+    protected ContentSettings getContentSettingsOnUiThread(
+            final ContentViewCore contentViewCore) throws Throwable {
+        return runTestOnUiThreadAndGetResult(new Callable<ContentSettings>() {
+            @Override
+            public ContentSettings call() throws Exception {
+                return contentViewCore.getContentSettings();
+            }
+        });
+    }
 }