Route touch-events for WebViewGuest directly to guest renderer.

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 <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 1579 matching lines @@
 #endif
   return false;
 }
 
 bool WebContentsImpl::PreHandleGestureEvent(
     const blink::WebGestureEvent& event) {
   return delegate_ && delegate_->PreHandleGestureEvent(this, event);
 }
 
 RenderWidgetHostInputEventRouter* WebContentsImpl::GetInputEventRouter() {
-  // Currently only supported in site per process mode (--site-per-process).
-  if (!rwh_input_event_router_.get() && !is_being_destroyed_ &&
-      SiteIsolationPolicy::AreCrossProcessFramesPossible())
+  if (!is_being_destroyed_ && GetOuterWebContents())
+    return GetOuterWebContents()->GetInputEventRouter();
+
+  if (!rwh_input_event_router_.get() && !is_being_destroyed_)
     rwh_input_event_router_.reset(new RenderWidgetHostInputEventRouter);
   return rwh_input_event_router_.get();
 }
 
 void WebContentsImpl::ReplicatePageFocus(bool is_focused) {
   // Focus loss may occur while this WebContents is being destroyed.  Don't
   // send the message in this case, as the main frame's RenderFrameHost and
   // other state has already been cleared.
   if (is_being_destroyed_)
     return;
@@ skipping 3166 matching lines @@
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content