BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/html/HTMLPlugInElement.cpp

Index: Source/core/html/HTMLPlugInElement.cpp
diff --git a/Source/core/html/HTMLPlugInElement.cpp b/Source/core/html/HTMLPlugInElement.cpp
index 9af98d1fab565b2b0c90ccc829aa9367897b7dc7..9e7da9c730270ecc92010678bddb5e80948b5f19 100644
--- a/Source/core/html/HTMLPlugInElement.cpp
+++ b/Source/core/html/HTMLPlugInElement.cpp
@@ -29,6 +29,7 @@
 #include "bindings/v8/npruntime_impl.h"
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
+#include "core/loader/FrameLoaderClient.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Frame.h"
 #include "core/platform/Widget.h"
@@ -88,6 +89,41 @@ void HTMLPlugInElement::removeAllEventListeners()
     }
 }
 
+void HTMLPlugInElement::createPluginWithoutRenderer(const String& mimeType)
+{
+    if (m_plugin && (mimeType == m_pluginMimeType))
+        return;
+
+    Frame* frame = document().frame();
+    if (!frame->loader()->client()->canCreatePluginWithoutRenderer(mimeType))
+        return;
+
+    KURL url;
+    Vector<String> paramNames;
+    Vector<String> paramValues;
+
+    paramNames.append(String("type"));
+    paramValues.append(mimeType);
+
+    m_plugin = frame->loader()->client()->createPlugin(IntSize(), this, url, paramNames, paramValues, mimeType, false, true);
+
+    // Register the bindings with V8 as a scriptable object; normally this is
+    // done in getInstance(), but that is only called after a renderer has been
+    // assigned.
+    if (m_plugin) {
+        m_pluginMimeType = mimeType;
+        // We require a V8 context in order to be able to create the script
+        // instance, but since this may occur during loading we need to create
+        // one here to ensure it exists.
+        v8::HandleScope handleScope(v8::Isolate::GetCurrent());
+        v8::Local<v8::Context> context = ScriptController::mainWorldContext(frame);
+        v8::Context::Scope contextScope(context);
+        m_instance = frame->script()->createScriptInstanceForWidget(m_plugin.get());
+    } else {
+        m_pluginMimeType = String();
+    }
+}
+
 void HTMLPlugInElement::detach(const AttachContext& context)
 {
     m_instance.clear();
@@ -250,4 +286,14 @@ NPObject* HTMLPlugInElement::getNPObject()
     return m_NPObject;
 }
 
+void HTMLPlugInElement::setPlugin(PassRefPtr<Widget> plugin)
+{
+    m_plugin = plugin;
+}
+
+PassRefPtr<Widget> HTMLPlugInElement::plugin()
+{
+    return m_plugin;
+}
+
 }