Deprecate WebView scrollbar overlay settings

BUG:21642246
BUG:21815096
Change-Id: I5780b05778813f923cdb35b51f81b7754a615a03
diff --git a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
index dba2243..ee6f4ec 100755
--- a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
+++ b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
@@ -415,43 +415,17 @@
     }
 
     @UiThreadTest
-    public void testSetScrollBarStyle() {
-        if (!NullWebViewUtils.isWebViewAvailable()) {
-            return;
-        }
-
-        mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
-        assertFalse(mWebView.overlayHorizontalScrollbar());
-        assertFalse(mWebView.overlayVerticalScrollbar());
-
-        mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
-        assertTrue(mWebView.overlayHorizontalScrollbar());
-        assertTrue(mWebView.overlayVerticalScrollbar());
-
-        mWebView.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_INSET);
-        assertFalse(mWebView.overlayHorizontalScrollbar());
-        assertFalse(mWebView.overlayVerticalScrollbar());
-
-        mWebView.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY);
-        assertTrue(mWebView.overlayHorizontalScrollbar());
-        assertTrue(mWebView.overlayVerticalScrollbar());
-    }
-
-    @UiThreadTest
     public void testScrollBarOverlay() throws Throwable {
         if (!NullWebViewUtils.isWebViewAvailable()) {
             return;
         }
 
+        // These functions have no effect; just verify they don't crash
         mWebView.setHorizontalScrollbarOverlay(true);
         mWebView.setVerticalScrollbarOverlay(false);
+
         assertTrue(mWebView.overlayHorizontalScrollbar());
         assertFalse(mWebView.overlayVerticalScrollbar());
-
-        mWebView.setHorizontalScrollbarOverlay(false);
-        mWebView.setVerticalScrollbarOverlay(true);
-        assertFalse(mWebView.overlayHorizontalScrollbar());
-        assertTrue(mWebView.overlayVerticalScrollbar());
     }
 
     @UiThreadTest