Implement touch events for site-isolation.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 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.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 1259 matching lines @@
 
   // Create a proxy in top-level RenderFrameHostManager, pointing to the
   // SiteInstance of the outer WebContents. The proxy will be used to send
   // postMessage to the inner WebContents.
   GetRenderManager()->CreateOuterDelegateProxy(
       outer_contents_frame->GetSiteInstance(),
       static_cast<RenderFrameHostImpl*>(outer_contents_frame));
 
   GetRenderManager()->SetRWHViewForInnerContents(
       GetRenderManager()->GetRenderWidgetHostView());
+
+  static_cast<RenderWidgetHostViewChildFrame*>(
+      GetRenderManager()->GetRenderWidgetHostView())
+      ->RegisterSurfaceNamespaceId();
 }
 
 void WebContentsImpl::Stop() {
   for (FrameTreeNode* node : frame_tree_.Nodes())
     node->StopLoading();
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, NavigationStopped());
 }
 
 WebContents* WebContentsImpl::Clone() {
   // We use our current SiteInstance since the cloned entry will use it anyway.
@@ skipping 3497 matching lines @@
     const WebContentsObserver::MediaPlayerId& id) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, MediaStartedPlaying(id));
 }
 
 void WebContentsImpl::MediaStoppedPlaying(
     const WebContentsObserver::MediaPlayerId& id) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, MediaStoppedPlaying(id));
 }
 
 }  // namespace content