Add a dialog UI for Data Use accounting

chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java
index c1cd7bf29e55ea4d7294b4051fc63bb1ac40df64..c81740f0fde0e16a8b9152967dfec782ce813c31 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationHandler.java
@@ -21,6 +21,7 @@ import org.chromium.chrome.browser.ChromeSwitches;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.UrlUtilities;
+import org.chromium.chrome.browser.tab.InterceptNavigationDelegateImpl.OverrideUrlLoadingResult;
 import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.ui.base.PageTransition;
 
@@ -43,21 +44,6 @@ public class ExternalNavigationHandler {
     private final ExternalNavigationDelegate mDelegate;
 
     /**
-     * Result types for checking if we should override URL loading.
-     */
-    public enum OverrideUrlLoadingResult {
-        /* We should override the URL loading and launch an intent. */
-        OVERRIDE_WITH_EXTERNAL_INTENT,
-        /* We should override the URL loading and clobber the current tab. */
-        OVERRIDE_WITH_CLOBBERING_TAB,
-        /* We should override the URL loading.  The desired action will be determined
-         * asynchronously (e.g. by requiring user confirmation). */
-        OVERRIDE_WITH_ASYNC_ACTION,
-        /* We shouldn't override the URL loading. */
-        NO_OVERRIDE,
-    }
-
-    /**
      * A constructor for UrlHandler.
      *
      * @param activity The activity to launch an external intent from.