Adding MimeHandlerView.

chrome/renderer/browser_plugin/chrome_browser_plugin_delegate.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/browser_plugin/chrome_browser_plugin_delegate.h"
+
+#include "content/public/renderer/browser_plugin_delegate.h"
+#include "content/public/renderer/render_thread.h"
+#include "content/public/renderer/render_frame.h"
+#include "content/public/renderer/render_view.h"
+#include "extensions/common/extension_messages.h"
+
+using content::RenderView;
+
+ChromeBrowserPluginDelegate::ChromeBrowserPluginDelegate(
+    int routing_id, int element_id, const std::string& mime_type)
+    : content::BrowserPluginDelegate(routing_id, element_id, mime_type),
+      content::RenderViewObserver(RenderView::FromRoutingID(routing_id)),
+      routing_id_(routing_id),
+      element_id_(element_id),
+      mime_type_(mime_type) {
+}
+
+ChromeBrowserPluginDelegate::~ChromeBrowserPluginDelegate() {
+}
+
+void ChromeBrowserPluginDelegate::DidFinishLoading(
+    const std::string& html_string) {
+  DCHECK(content::RenderThread::Get());
+  render_view()->Send(
+      new ExtensionHostMsg_CreateMimeHandlerViewGuest(
+          routing_id_, html_string, mime_type_, element_id_));
+}
+
+bool ChromeBrowserPluginDelegate::OnMessageReceived(
+    const IPC::Message& message) {
+  if (message.type() != ExtensionMsg_CreateMimeHandlerViewGuestACK::ID)
+    return false;
+
+  int browser_plugin_instance_id = 0;
+  PickleIterator iter(message);
+  bool success = iter.ReadInt(&browser_plugin_instance_id);
+  DCHECK(success);
+  if (browser_plugin_instance_id != element_id_)
+    return false;
+
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ChromeBrowserPluginDelegate, message)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_CreateMimeHandlerViewGuestACK,
+                        OnCreateMimeHandlerViewGuestACK)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void ChromeBrowserPluginDelegate::OnCreateMimeHandlerViewGuestACK(
+    int browser_plugin_instance_id,
+    int guest_instance_id) {
+  printf("Got back in delegate, guest_instance_id: %d\n", guest_instance_id);
+  // TODO(lazyboy): Using GetMainRenderFrame() is OK?
+  render_view()->GetMainRenderFrame()->AttachGuest(browser_plugin_instance_id);
+}