Removing NavigationClient dependencies from Tab.

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index c48ba357ee14a3315c78c1992b0d229fc44ec15d..f3d01e5cea3e2dfdf750581bfed231094b8d354a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -31,7 +31,6 @@ import org.chromium.chrome.browser.toolbar.ToolbarModel;
 import org.chromium.content.browser.ContentView;
 import org.chromium.content.browser.ContentViewClient;
 import org.chromium.content.browser.ContentViewCore;
-import org.chromium.content.browser.NavigationClient;
 import org.chromium.content.browser.WebContentsObserver;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.NavigationHistory;
@@ -72,7 +71,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  *  unless special care is taken to make sure {@link Tab#incrementIdCounterTo(int)} is called with
  *  the correct value across all affected {@link Activity}s.
  */
-public class Tab implements NavigationClient {
+public class Tab {
     public static final int INVALID_TAB_ID = -1;
 
     /** Used for automatically generating tab ids. */
@@ -409,7 +408,6 @@ public class Tab implements NavigationClient {
         if (getWebContents() != null) getWebContents().getNavigationController().goForward();
     }
 
-    @Override
     public NavigationHistory getDirectedNavigationHistory(boolean isForward, int itemLimit) {

[Ted C, 2014/10/23 16:23:27]

I would go ahead and remove these two methods.  They were only used for the
navigation popup anyway.

[AKVT, 2014/10/23 16:39:24]

Done.

         if (getWebContents() != null) {
             return getWebContents().getNavigationController()
@@ -419,7 +417,6 @@ public class Tab implements NavigationClient {
         }
     }
 
-    @Override
     public void goToNavigationIndex(int index) {
         if (getWebContents() != null) {
             getWebContents().getNavigationController().goToNavigationIndex(index);