Move ChromeExtensionHostMsg_AttachGuest to extensions.

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_frame.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 "v8/include/v8.h"
-
-using content::V8ValueConverter;
-
-namespace extensions {
-
-GuestViewInternalCustomBindings::GuestViewInternalCustomBindings(
-    ScriptContext* context)
-    : ObjectBackedNativeHandler(context) {
-  RouteFunction("AttachGuest",
-                base::Bind(&GuestViewInternalCustomBindings::AttachGuest,
-                           base::Unretained(this)));
-}
-
-void GuestViewInternalCustomBindings::AttachGuest(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  CHECK(args.Length() == 3 && args[0]->IsInt32() && args[1]->IsInt32() &&
-      args[2]->IsObject());
-
-  content::RenderFrame* render_frame = context()->GetRenderFrame();
-  if (!render_frame)
-    return;
-
-  int element_instance_id = args[0]->Int32Value();
-  int guest_instance_id = args[1]->Int32Value();
-
-  scoped_ptr<base::DictionaryValue> params;
-  {
-    scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
-    scoped_ptr<base::Value> params_as_value(
-        converter->FromV8Value(args[2], context()->v8_context()));
-    CHECK(params_as_value->IsType(base::Value::TYPE_DICTIONARY));
-    params.reset(
-        static_cast<base::DictionaryValue*>(params_as_value.release()));
-  }
-
-  // Step 1, send the attach params to chrome/.
-  render_frame->Send(new ChromeExtensionHostMsg_AttachGuest(
-      render_frame->GetRenderView()->GetRoutingID(),
-      element_instance_id,
-      guest_instance_id,
-      *params));
-
-  // Step 2, attach plugin through content/.
-  render_frame->AttachGuest(element_instance_id);
-
-  args.GetReturnValue().Set(v8::Boolean::New(context()->isolate(), true));
-}
-
-}  // namespace extensions