Introduce ViewRoot forwarding input/view events to native

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
index 83b9b37b62df926a61dea54be470ebe152e2c310..04d394ea44910d734cc84488bb847f7136f93a2c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
@@ -121,7 +121,7 @@ import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.common.Referrer;
 import org.chromium.ui.base.DeviceFormFactor;
 import org.chromium.ui.base.PageTransition;
-import org.chromium.ui.base.WindowAndroid;
+import org.chromium.ui.base.ViewRoot;
 import org.chromium.ui.widget.Toast;
 
 import java.lang.annotation.Retention;
@@ -279,9 +279,9 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
     }
 
     private class TabbedModeTabCreator extends ChromeTabCreator {
-        public TabbedModeTabCreator(ChromeActivity activity, WindowAndroid nativeWindow,
+        public TabbedModeTabCreator(ChromeActivity activity, ViewRoot viewRoot,
                 boolean incognito) {
-            super(activity, nativeWindow, incognito);
+            super(activity, viewRoot, incognito);
         }
 
         @Override
@@ -1079,8 +1079,8 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
     @Override
     protected Pair<TabbedModeTabCreator, TabbedModeTabCreator> createTabCreators() {
         return Pair.create(
-                new TabbedModeTabCreator(this, getWindowAndroid(), false),
-                new TabbedModeTabCreator(this, getWindowAndroid(), true));
+                new TabbedModeTabCreator(this, getViewRoot(), false),
+                new TabbedModeTabCreator(this, getViewRoot(), true));
     }
 
     /**