Hide the page info dialog if the underlying webcontents is hidden.

chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java

Index: chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java b/chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java
index 289a0f867e42ab8d41671300457b130750ffb81b..b0f4698ae2be63e0284cf159f04c0e69b19d74b9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java
@@ -423,6 +423,13 @@ public class WebsiteSettingsPopup implements OnClickListener {
             }
 
             @Override
+            public void wasHidden() {
+                // The web contents were hidden (potentially by loading another URL via an intent),
+                // so dismiss the dialog).
+                mDialog.dismiss();
+            }
+
+            @Override
             public void destroy() {
                 super.destroy();
                 // Force the dialog to close immediately in case the destroy was from Chrome