Remove BrowserPlugin's -internal-attach method

chrome/renderer/extensions/guest_view_internal_custom_bindings.cc

+// Copyright 2014 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 "chrome/renderer/extensions/guest_view_internal_custom_bindings.h"
+
+#include <string>
+
+#include "base/bind.h"
+#include "chrome/common/extensions/chrome_extension_messages.h"
+#include "content/public/renderer/render_view.h"
+#include "content/public/renderer/v8_value_converter.h"
+#include "extensions/common/extension.h"
+#include "extensions/renderer/script_context.h"
+#include "third_party/WebKit/public/web/WebBindings.h"
+#include "third_party/WebKit/public/web/WebNode.h"
+#include "v8/include/v8.h"
+
+using content::V8ValueConverter;
+
+namespace {
+
+// TODO(lazyboy): abarth@ needs to review this.
+// Returns true on success.
+bool GetWebNodeFromValue(v8::Handle<v8::Value> value, blink::WebNode* node) {
+  NPVariant result;
+  blink::WebBindings::toNPVariant(value, NULL, &result);
+  if (result.type != NPVariantType_Object)
+    return false;
+  NPObject* obj = result.value.objectValue;
+  return blink::WebBindings::getNode(obj, node);
+}
+
+}  // namespace
+
+namespace extensions {
+
+GuestViewInternalCustomBindings::GuestViewInternalCustomBindings(
+    ScriptContext* context)
+    : ObjectBackedNativeHandler(context) {
+  RouteFunction("AttachPlugin",
+                base::Bind(&GuestViewInternalCustomBindings::AttachPlugin,
+                           base::Unretained(this)));
+}
+
+void GuestViewInternalCustomBindings::AttachPlugin(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  content::RenderView* render_view = context()->GetRenderView();
+  if (!render_view)
+    return;
+
+  if (args.Length() < 3 || !args[0]->IsInt32() || !args[1]->IsInt32() ||
+      !args[2]->IsObject()) {
+    return;
+  }
+
+  int guest_instance_id = args[0]->Int32Value();
+  int element_instance_id = args[1]->Int32Value();
+  scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
+  scoped_ptr<base::Value> params_value(
+      converter->FromV8Value(args[2], context()->v8_context()));
+  if (base::Value::TYPE_DICTIONARY != params_value->GetType()) {
+    return;
+  }
+
+  // <element>
+  blink::WebNode node;
+  if (!GetWebNodeFromValue(args[3], &node))
+    return;
+
+  // Step 1, send the attach params to chrome/.
+  scoped_ptr<base::DictionaryValue> params_dictionary(
+      static_cast<base::DictionaryValue*>(params_value.release()));
+  render_view->Send(new ChromeExtensionHostMsg_GuestViewSetAttachParams(
+      render_view->GetRoutingID(),
+      element_instance_id,
+      guest_instance_id,
+      *params_dictionary));
+
+  // Step 2, attach plugin through content/.
+  render_view->AttachToBrowserPlugin(node);
+
+  v8::Isolate* isolate = args.GetIsolate();
+  args.GetReturnValue().Set(v8::Boolean::New(isolate, true));
+}
+
+}  // namespace extensions