Introduce ViewRoot forwarding input/view events to native

content/shell/android/java/src/org/chromium/content_shell/ShellManager.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content_shell;
 
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.widget.FrameLayout;
@@ skipping 104 matching lines @@
         return shellView;
     }
 
     private void showShell(Shell shellView) {
         shellView.setContentViewRenderView(mContentViewRenderView);
         addView(shellView, new FrameLayout.LayoutParams(
                 FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));
         mActiveShell = shellView;
         ContentViewCore contentViewCore = mActiveShell.getContentViewCore();
         if (contentViewCore != null) {
-            mContentViewRenderView.setCurrentContentViewCore(contentViewCore);
+            mContentViewRenderView.setCurrentContent(contentViewCore, shellView.getViewRoot());
             contentViewCore.onShow();
         }
     }
 
     @CalledByNative
     private void removeShell(Shell shellView) {
         if (shellView == mActiveShell) mActiveShell = null;
         if (shellView.getParent() == null) return;
         ContentViewCore contentViewCore = shellView.getContentViewCore();
         if (contentViewCore != null) contentViewCore.onHide();
         shellView.setContentViewRenderView(null);
         removeView(shellView);
     }
 
     /**
      * Destroys the Shell manager and associated components.
      */
     public void destroy() {
         // Remove active shell (Currently single shell support only available).
         removeShell(mActiveShell);
         mContentViewRenderView.destroy();
         mContentViewRenderView = null;
     }
 
     private static native void nativeInit(Object shellManagerInstance);
     private static native void nativeLaunchShell(String url);
 }