Upstream NFC beam URL sharing code and add it to ChromeShell.

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellActivity.java

 // Copyright 2014 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.chrome.shell;
 
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.text.TextUtils;
@@ skipping 10 matching lines @@
 import org.chromium.base.CommandLine;
 import org.chromium.base.ContentUriUtils;
 import org.chromium.base.MemoryPressureListener;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.library_loader.ProcessInitException;
 import org.chromium.chrome.browser.DevToolsServer;
 import org.chromium.chrome.browser.FileProviderHelper;
 import org.chromium.chrome.browser.appmenu.AppMenuHandler;
 import org.chromium.chrome.browser.appmenu.AppMenuPropertiesDelegate;
 import org.chromium.chrome.browser.dom_distiller.DomDistillerTabUtils;
+import org.chromium.chrome.browser.nfc.BeamController;
+import org.chromium.chrome.browser.nfc.BeamProvider;
 import org.chromium.chrome.browser.printing.PrintingControllerFactory;
 import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.share.ShareHelper;
 import org.chromium.chrome.shell.sync.SyncController;
 import org.chromium.components.dom_distiller.core.DomDistillerUrlUtils;
 import org.chromium.content.browser.ActivityContentVideoViewClient;
 import org.chromium.content.browser.BrowserStartupController;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.DeviceUtils;
 import org.chromium.printing.PrintManagerDelegateImpl;
@@ skipping 124 matching lines @@
         mDevToolsServer.setRemoteDebuggingEnabled(
                 true, DevToolsServer.Security.ALLOW_DEBUG_PERMISSION);
 
         mPrintingController = PrintingControllerFactory.create(this);
 
         mSyncController = SyncController.get(this);
         // In case this method is called after the first onStart(), we need to inform the
         // SyncController that we have started.
         mSyncController.onStart();
         ContentUriUtils.setFileProviderUtil(new FileProviderHelper());
+
+        BeamController.registerForBeam(this, new BeamProvider() {
+            @Override
+            public String getTabUrlForBeam() {
+                ChromeShellTab tab = getActiveTab();
+                if (tab == null) return null;
+                return tab.getUrl();
+            }
+        });
     }
 
     @Override
     protected void onDestroy() {
         super.onDestroy();
 
         if (mDevToolsServer != null) mDevToolsServer.destroy();
         mDevToolsServer = null;
     }
 
@@ skipping 218 matching lines @@
     @VisibleForTesting
     public static void setActivityWindowAndroidFactory(ActivityWindowAndroidFactory factory) {
         sWindowAndroidFactory = factory;
     }
 
     @VisibleForTesting
     public static void setAppMenuHandlerFactory(AppMenuHandlerFactory factory) {
         sAppMenuHandlerFactory = factory;
     }
 }