Make <webview> use out-of-process iframe architecture.

extensions/renderer/dispatcher.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 "extensions/renderer/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "base/values.h"
+#include "components/guest_view/renderer/guest_view_container.h"
 #include "content/grit/content_resources.h"
 #include "content/public/child/v8_value_converter.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "extensions/common/api/messaging/message.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_api.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/extension_urls.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/common/features/feature_provider.h"
+#include "extensions/common/guest_view/extensions_guest_view_messages.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "extensions/common/manifest_handlers/content_capabilities_handler.h"
 #include "extensions/common/manifest_handlers/externally_connectable.h"
 #include "extensions/common/manifest_handlers/options_page_info.h"
 #include "extensions/common/message_bundle.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/switches.h"
 #include "extensions/common/view_type.h"
 #include "extensions/renderer/api_activity_logger.h"
 #include "extensions/renderer/api_definitions_natives.h"
 #include "extensions/renderer/app_runtime_custom_bindings.h"
 #include "extensions/renderer/app_window_custom_bindings.h"
 #include "extensions/renderer/binding_generating_native_handler.h"
 #include "extensions/renderer/blob_native_handler.h"
 #include "extensions/renderer/content_watcher.h"
 #include "extensions/renderer/context_menus_custom_bindings.h"
 #include "extensions/renderer/css_native_handler.h"
 #include "extensions/renderer/dispatcher_delegate.h"
 #include "extensions/renderer/document_custom_bindings.h"
 #include "extensions/renderer/dom_activity_logger.h"
 #include "extensions/renderer/event_bindings.h"
 #include "extensions/renderer/extension_helper.h"
 #include "extensions/renderer/extensions_renderer_client.h"
 #include "extensions/renderer/file_system_natives.h"
+#include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 #include "extensions/renderer/guest_view/guest_view_internal_custom_bindings.h"
 #include "extensions/renderer/i18n_custom_bindings.h"
 #include "extensions/renderer/id_generator_custom_bindings.h"
 #include "extensions/renderer/lazy_background_page_native_handler.h"
 #include "extensions/renderer/logging_native_handler.h"
 #include "extensions/renderer/messaging_bindings.h"
 #include "extensions/renderer/module_system.h"
 #include "extensions/renderer/print_native_handler.h"
 #include "extensions/renderer/process_info_native_handler.h"
 #include "extensions/renderer/render_view_observer_natives.h"
@@ skipping 632 matching lines @@
   IPC_MESSAGE_HANDLER(ExtensionMsg_ShouldSuspend, OnShouldSuspend)
   IPC_MESSAGE_HANDLER(ExtensionMsg_Suspend, OnSuspend)
   IPC_MESSAGE_HANDLER(ExtensionMsg_TransferBlobs, OnTransferBlobs)
   IPC_MESSAGE_HANDLER(ExtensionMsg_Unloaded, OnUnloaded)
   IPC_MESSAGE_HANDLER(ExtensionMsg_UpdatePermissions, OnUpdatePermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_UpdateTabSpecificPermissions,
                       OnUpdateTabSpecificPermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_ClearTabSpecificPermissions,
                       OnClearTabSpecificPermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_UsingWebRequestAPI, OnUsingWebRequestAPI)
+  IPC_MESSAGE_HANDLER_GENERIC(ExtensionsGuestViewMsg_GuestReady,
+                              OnGuestReady(message))
   IPC_MESSAGE_FORWARD(ExtensionMsg_WatchPages,
                       content_watcher_.get(),
                       ContentWatcher::OnWatchPages)
   IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void Dispatcher::WebKitInitialized() {
@@ skipping 304 matching lines @@
             extension->permissions_data()->GetEffectiveHostPermissions());
       }
     }
   }
 }
 
 void Dispatcher::OnUsingWebRequestAPI(bool webrequest_used) {
   webrequest_used_ = webrequest_used;
 }
 
+// We do not have a BrowserPluginManager to route this message, so we
+// handle the message here.
+// TODO(lazyboy): dispatcher.cc is too generic to handle this message, find
+// a better way to route the message.
+void Dispatcher::OnGuestReady(const IPC::Message& message) {
+  ExtensionsGuestViewMsg_GuestReady::Param param;
+  bool read_status = ExtensionsGuestViewMsg_GuestReady::Read(&message, &param);
+  DCHECK(read_status);
+  int element_instance_id = get<0>(param);
+  auto* container = static_cast<ExtensionsGuestViewContainer*>(
+      guest_view::GuestViewContainer::FromID(element_instance_id));
+  DCHECK(container);
+  container->OnMessage(message);
+}
+
 void Dispatcher::OnUserScriptsUpdated(const std::set<HostID>& changed_hosts,
                                       const std::vector<UserScript*>& scripts) {
   UpdateActiveExtensions();
 }
 
 void Dispatcher::UpdateActiveExtensions() {
   std::set<std::string> active_extensions = active_extension_ids_;
   user_script_set_manager_->GetAllActiveExtensionIds(&active_extensions);
   delegate_->OnActiveExtensionsUpdated(active_extensions);
 }
@@ skipping 364 matching lines @@
   // The "guestViewDeny" module must always be loaded last. It registers
   // error-providing custom elements for the GuestView types that are not
   // available, and thus all of those types must have been checked and loaded
   // (or not loaded) beforehand.
   if (context_type == Feature::BLESSED_EXTENSION_CONTEXT) {
     module_system->Require("guestViewDeny");
   }
 }
 
 }  // namespace extensions