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

content/renderer/browser_plugin/browser_plugin.cc

Index: content/renderer/browser_plugin/browser_plugin.cc
diff --git a/content/renderer/browser_plugin/browser_plugin.cc b/content/renderer/browser_plugin/browser_plugin.cc
index 587412bb747dd9510fcad725741fcfcffbbc6b2c..6fac1445efa63ab7aa8d227458b8fa169c6be9ba 100644
--- a/content/renderer/browser_plugin/browser_plugin.cc
+++ b/content/renderer/browser_plugin/browser_plugin.cc
@@ -885,6 +885,10 @@ blink::WebPluginContainer* BrowserPlugin::container() const {
   return container_;
 }
 
+void BrowserPlugin::containerDidDetachFromParent() {
+  EnableCompositing(false);
+}
+
 bool BrowserPlugin::initialize(WebPluginContainer* container) {
   if (!container)
     return false;
@@ -1384,4 +1388,6 @@ bool BrowserPlugin::HandleMouseLockedInputEvent(
   return true;
 }
 
+bool BrowserPlugin::shouldPersist() const { return true; }
+
 }  // namespace content