binding: Moves the check for the first access to the initial document into BindingSecurity.

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

Index: android_webview/javatests/src/org/chromium/android_webview/test/PopupWindowTest.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/PopupWindowTest.java b/android_webview/javatests/src/org/chromium/android_webview/test/PopupWindowTest.java
index 3dabeb7f49aa0369859234c577118da4e5e2e177..6c5c793b38839680b702fb193a76ea04234bf789 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/PopupWindowTest.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/PopupWindowTest.java
@@ -77,15 +77,23 @@ public class PopupWindowTest extends AwTestBase {
                         + "  window.popupWindow.document.body.innerHTML = 'Hello from the parent!';"
                         + "}</script>");
 
+        final String popupPageHtml = CommonResources.makeHtmlPageFrom(
+                "<title>" + POPUP_TITLE + "</title>",
+                "This is a popup window");
+
         triggerPopup(mParentContents, mParentContentsClient, mWebServer, parentPageHtml,
-                null, popupPath, "tryOpenWindow()");
+                popupPageHtml, popupPath, "tryOpenWindow()");
+        PopupInfo popupInfo = connectPendingPopup(mParentContents);
+        assertEquals(POPUP_TITLE, getTitleOnUiThread(popupInfo.popupContents));
+
         TestCallbackHelperContainer.OnPageFinishedHelper onPageFinishedHelper =
-                connectPendingPopup(mParentContents).popupContentsClient.getOnPageFinishedHelper();
+                popupInfo.popupContentsClient.getOnPageFinishedHelper();
         final int onPageFinishedCallCount = onPageFinishedHelper.getCallCount();
+
         executeJavaScriptAndWaitForResult(mParentContents, mParentContentsClient,
                 "modifyDomOfPopup()");
+        // Test that |waitForCallback| does not time out.
         onPageFinishedHelper.waitForCallback(onPageFinishedCallCount);
-        assertEquals("about:blank", onPageFinishedHelper.getUrl());
     }
 
     @SmallTest