BrowserPlugin/WebView - Move plugin lifetime to DOM (Chromium-side)

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright 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/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 867 matching lines @@
   bool embedder_focused = false;
   if (render_view_.get())
     embedder_focused = render_view_->has_focus();
   return plugin_focused_ && embedder_focused;
 }
 
 blink::WebPluginContainer* BrowserPlugin::container() const {
   return container_;
 }
 
+void BrowserPlugin::containerDidDetachFromParent() {
+  EnableCompositing(false);
+}
+
 bool BrowserPlugin::initialize(WebPluginContainer* container) {
   if (!container)
     return false;
 
   if (!GetContentClient()->renderer()->AllowBrowserPlugin(container))
     return false;
 
   // Tell |container| to allow this plugin to use script objects.
   npp_.reset(new NPP_t);
   container->allowScriptObjects();
@@ skipping 479 matching lines @@
 bool BrowserPlugin::HandleMouseLockedInputEvent(
     const blink::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 guest_instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
+bool BrowserPlugin::shouldPersist() const { return true; }
+
 }  // namespace content