Exit flash fullscreen before opening new windows/popups

content/renderer/render_view_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/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 1472 matching lines @@
 }
 
 // blink::WebViewClient ------------------------------------------------------
 
 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
                                     const WebURLRequest& request,
                                     const WebWindowFeatures& features,
                                     const WebString& frame_name,
                                     WebNavigationPolicy policy,
                                     bool suppress_opener) {
+#if defined(ENABLE_PLUGINS)
+  if (PepperPluginInstanceImpl* plugin = GetFocusedPepperPlugin()) {
+    // Opening a window should exit fullscreen, as it does for HTML5 fullscreen.
+    plugin->FlashSetFullscreen(false, false);
+  }
+#endif
   ViewHostMsg_CreateWindow_Params params;
   params.opener_id = GetRoutingID();
   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
   if (GetContentClient()->renderer()->AllowPopup())
     params.user_gesture = true;
   params.window_container_type = WindowFeaturesToContainerType(features);
   params.session_storage_namespace_id = session_storage_namespace_id_;
   if (frame_name != "_blank")
     params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
   params.opener_render_frame_id =
@@ skipping 1599 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content