Revert 266297 "1. Handle the case of empty embedder_extension_id..."

trunk/src/chrome/browser/guest_view/web_view/plugin_permission_helper.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/browser/guest_view/web_view/plugin_permission_helper.h"
-
-#include "chrome/browser/guest_view/web_view/web_view_guest.h"
-#include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
-#include "chrome/browser/plugins/chrome_plugin_service_filter.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/user_metrics.h"
-
-using content::BrowserPluginGuestDelegate;
-using content::RenderViewHost;
-using content::WebContents;
-
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(PluginPermissionHelper);
-
-PluginPermissionHelper::PluginPermissionHelper(WebContents* contents)
-    : content::WebContentsObserver(contents),
-      weak_factory_(this) {
-}
-
-PluginPermissionHelper::~PluginPermissionHelper() {
-}
-
-bool PluginPermissionHelper::OnMessageReceived(const IPC::Message& message) {
-  IPC_BEGIN_MESSAGE_MAP(PluginPermissionHelper, message)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedUnauthorizedPlugin,
-                        OnBlockedUnauthorizedPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
-                        OnCouldNotLoadPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedOutdatedPlugin,
-                        OnBlockedOutdatedPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
-                        OnNPAPINotSupported)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_OpenAboutPlugins,
-                        OnOpenAboutPlugins)
-#if defined(ENABLE_PLUGIN_INSTALLATION)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_FindMissingPlugin,
-                        OnFindMissingPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RemovePluginPlaceholderHost,
-                        OnRemovePluginPlaceholderHost)
-#endif
-    IPC_MESSAGE_UNHANDLED(return false)
-  IPC_END_MESSAGE_MAP()
-
-  return true;
-}
-
-void PluginPermissionHelper::OnBlockedUnauthorizedPlugin(
-    const base::string16& name,
-    const std::string& identifier) {
-  const char kPluginName[] = "name";
-  const char kPluginIdentifier[] = "identifier";
-
-  WebViewGuest* webview = WebViewGuest::FromWebContents(web_contents());
-  if (!webview)
-    return;
-
-  base::DictionaryValue info;
-  info.SetString(std::string(kPluginName), name);
-  info.SetString(std::string(kPluginIdentifier), identifier);
-  webview->RequestPermission(static_cast<BrowserPluginPermissionType>(
-          WEB_VIEW_PERMISSION_TYPE_LOAD_PLUGIN),
-      info,
-      base::Bind(&PluginPermissionHelper::OnPermissionResponse,
-                 weak_factory_.GetWeakPtr(),
-                 identifier),
-      true /* allowed_by_default */);
-  content::RecordAction(
-      base::UserMetricsAction("WebView.Guest.PluginLoadRequest"));
-}
-
-void PluginPermissionHelper::OnCouldNotLoadPlugin(
-    const base::FilePath& plugin_path) {
-}
-
-void PluginPermissionHelper::OnBlockedOutdatedPlugin(
-    int placeholder_id,
-    const std::string& identifier) {
-}
-
-void PluginPermissionHelper::OnNPAPINotSupported(const std::string& id) {
-}
-
-void PluginPermissionHelper::OnOpenAboutPlugins() {
-}
-
-#if defined(ENABLE_PLUGIN_INSTALLATION)
-void PluginPermissionHelper::OnFindMissingPlugin(int placeholder_id,
-                                                 const std::string& mime_type) {
-  Send(new ChromeViewMsg_DidNotFindMissingPlugin(placeholder_id));
-}
-
-void PluginPermissionHelper::OnRemovePluginPlaceholderHost(int placeholder_id) {
-}
-#endif // defined(ENABLE_PLUGIN_INSTALLATION)
-
-void PluginPermissionHelper::OnPermissionResponse(const std::string& identifier,
-                                                  bool allow,
-                                                  const std::string& input) {
-  if (allow) {
-    ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
-        web_contents(), true, identifier);
-  }
-}