Convert the Pepper Talk API to use the new resource system.

chrome/browser/renderer_host/pepper/pepper_talk_host.cc

Index: chrome/browser/renderer_host/pepper/pepper_talk_host.cc
diff --git a/chrome/browser/renderer_host/pepper/pepper_talk_host.cc b/chrome/browser/renderer_host/pepper/pepper_talk_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b0b51ee4902ca426fd516bb8cba48291e8ff6e7a
--- /dev/null
+++ b/chrome/browser/renderer_host/pepper/pepper_talk_host.cc
@@ -0,0 +1,102 @@
+// Copyright (c) 2012 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/browser/renderer_host/pepper/pepper_talk_host.h"
+
+#include "base/bind.h"
+#include "content/public/browser/browser_ppapi_host.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_view_host.h"
+#include "grit/generated_resources.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/host/host_message_context.h"
+#include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ui/base/l10n/l10n_util.h"
+
+#if defined(USE_ASH)
+#include "ash/shell.h"
+#include "ash/shell_window_ids.h"
+#include "chrome/browser/ui/simple_message_box.h"
+#include "ui/aura/window.h"
+#endif
+
+namespace chrome {
+
+namespace {
+
+ppapi::host::ReplyMessageContext GetPermissionOnUIThread(
+    int render_process_id,
+    int render_view_id,
+    ppapi::host::ReplyMessageContext reply) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  reply.params.set_result(0);
+
+  content::RenderViewHost* render_view_host =
+      content::RenderViewHost::FromID(render_process_id, render_view_id);
+  if (!render_view_host)
+    return reply;  // RVH destroyed while task was pending.
+
+#if defined(USE_ASH)
+  // TODO(brettw). We should not be grabbing the active toplevel window, we
+  // should use the toplevel window associated with the render view.
+  const string16 title = l10n_util::GetStringUTF16(
+      IDS_GTALK_SCREEN_SHARE_DIALOG_TITLE);
+  const string16 message = l10n_util::GetStringUTF16(
+      IDS_GTALK_SCREEN_SHARE_DIALOG_MESSAGE);
+
+  aura::Window* parent = ash::Shell::GetContainer(
+      ash::Shell::GetActiveRootWindow(),
+      ash::internal::kShellWindowId_SystemModalContainer);
+  reply.params.set_result(static_cast<int32_t>(
+      chrome::ShowMessageBox(parent, title, message,
+                             chrome::MESSAGE_BOX_TYPE_QUESTION) ==
+      chrome::MESSAGE_BOX_RESULT_YES));
+#else
+  NOTIMPLEMENTED();
+#endif
+  return reply;
+}
+
+}  // namespace
+
+PepperTalkHost::PepperTalkHost(content::BrowserPpapiHost* host,
+                               PP_Instance instance,
+                               PP_Resource resource)
+    : ppapi::host::ResourceHost(host->GetPpapiHost(), instance, resource),
+      weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
+      browser_ppapi_host_(host) {
+}
+
+PepperTalkHost::~PepperTalkHost() {
+}
+
+int32_t PepperTalkHost::OnResourceMessageReceived(
+    const IPC::Message& msg,
+    ppapi::host::HostMessageContext* context) {
+  // We only have one message with no parameters.
+  if (msg.type() != PpapiHostMsg_Talk_GetPermission::ID)
+    return 0;
+
+  int render_process_id = 0;
+  int render_view_id = 0;
+  browser_ppapi_host_->GetRenderViewIDsForInstance(
+      pp_instance(), &render_process_id, &render_view_id);
+
+  content::BrowserThread::PostTaskAndReplyWithResult(
+      content::BrowserThread::UI, FROM_HERE,
+      base::Bind(&GetPermissionOnUIThread, render_process_id, render_view_id,
+                 context->MakeReplyMessageContext()),
+      base::Bind(&PepperTalkHost::GotTalkPermission,
+                 weak_factory_.GetWeakPtr()));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+void PepperTalkHost::GotTalkPermission(
+    ppapi::host::ReplyMessageContext reply) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  host()->SendReply(reply, PpapiPluginMsg_Talk_GetPermissionReply());
+}
+
+}  // namespace chrome