Prevent browser-side hit testing when page popup is selected

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 2523 matching lines @@
 
   return text_input_manager_.get();
 }
 
 bool WebContentsImpl::OnUpdateDragCursor() {
   if (browser_plugin_embedder_)
     return browser_plugin_embedder_->OnUpdateDragCursor();
   return false;
 }
 
+bool WebContentsImpl::IsWidgetForMainFrame(
+    RenderWidgetHostImpl* render_widget_host) {
+  return render_widget_host == GetMainFrame()->GetRenderWidgetHost();
+}
+
 BrowserAccessibilityManager*
     WebContentsImpl::GetRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->browser_accessibility_manager() : nullptr;
 }
 
 BrowserAccessibilityManager*
     WebContentsImpl::GetOrCreateRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->GetOrCreateBrowserAccessibilityManager() : nullptr;
@@ skipping 2854 matching lines @@
     RenderViewHost* render_view_host = RenderViewHost::From(render_widget_host);
     if (!render_view_host)
       continue;
     render_view_host_set.insert(render_view_host);
   }
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 }  // namespace content