Extract the element implementation logic to function mods in <webview>.

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"
@@ skipping 454 matching lines @@
   resources.push_back(std::make_pair(
       "extensionViewInternal", IDR_EXTENSION_VIEW_INTERNAL_CUSTOM_BINDINGS_JS));
   resources.push_back(std::make_pair("guestView", IDR_GUEST_VIEW_JS));
   resources.push_back(std::make_pair("guestViewAttributes",
                                      IDR_GUEST_VIEW_ATTRIBUTES_JS));
   resources.push_back(std::make_pair("guestViewContainer",
                                      IDR_GUEST_VIEW_CONTAINER_JS));
   resources.push_back(std::make_pair("guestViewDeny", IDR_GUEST_VIEW_DENY_JS));
   resources.push_back(std::make_pair("guestViewEvents",
                                      IDR_GUEST_VIEW_EVENTS_JS));
+
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          ::switches::kSitePerProcess)) {
+    resources.push_back(std::make_pair("guestViewIframe",
+                                       IDR_GUEST_VIEW_IFRAME_JS));
+    resources.push_back(std::make_pair("guestViewIframeContainer",
+                                       IDR_GUEST_VIEW_IFRAME_CONTAINER_JS));
+  }
+
   resources.push_back(std::make_pair("imageUtil", IDR_IMAGE_UTIL_JS));
   resources.push_back(std::make_pair("json_schema", IDR_JSON_SCHEMA_JS));
   resources.push_back(std::make_pair("lastError", IDR_LAST_ERROR_JS));
   resources.push_back(std::make_pair("messaging", IDR_MESSAGING_JS));
   resources.push_back(std::make_pair("messaging_utils",
                                      IDR_MESSAGING_UTILS_JS));
   resources.push_back(std::make_pair(kSchemaUtils, IDR_SCHEMA_UTILS_JS));
   resources.push_back(std::make_pair("sendRequest", IDR_SEND_REQUEST_JS));
   resources.push_back(std::make_pair("setIcon", IDR_SET_ICON_JS));
   resources.push_back(std::make_pair("surfaceWorker", IDR_SURFACE_VIEW_JS));
@@ skipping 17 matching lines @@
                                      IDR_WEB_VIEW_ACTION_REQUESTS_JS));
   resources.push_back(std::make_pair("webViewApiMethods",
                                      IDR_WEB_VIEW_API_METHODS_JS));
   resources.push_back(std::make_pair("webViewAttributes",
                                      IDR_WEB_VIEW_ATTRIBUTES_JS));
   resources.push_back(std::make_pair("webViewConstants",
                                      IDR_WEB_VIEW_CONSTANTS_JS));
   resources.push_back(std::make_pair("webViewEvents", IDR_WEB_VIEW_EVENTS_JS));
   resources.push_back(std::make_pair("webViewInternal",
                                      IDR_WEB_VIEW_INTERNAL_CUSTOM_BINDINGS_JS));
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          ::switches::kSitePerProcess)) {
+    resources.push_back(std::make_pair("webViewIframe",
+                                       IDR_WEB_VIEW_IFRAME_JS));
+  }
   resources.push_back(
       std::make_pair(mojo::kBindingsModuleName, IDR_MOJO_BINDINGS_JS));
   resources.push_back(
       std::make_pair(mojo::kBufferModuleName, IDR_MOJO_BUFFER_JS));
   resources.push_back(
       std::make_pair(mojo::kCodecModuleName, IDR_MOJO_CODEC_JS));
   resources.push_back(
       std::make_pair(mojo::kConnectionModuleName, IDR_MOJO_CONNECTION_JS));
   resources.push_back(
       std::make_pair(mojo::kConnectorModuleName, IDR_MOJO_CONNECTOR_JS));
@@ skipping 888 matching lines @@
   if (extensions::FeatureSwitch::surface_worker()->IsEnabled() &&
       context->GetAvailability("surfaceWorkerInternal").is_available()) {
     module_system->Require("surfaceWorker");
   }
 
   // Require WebView.
   if (context->GetAvailability("webViewInternal").is_available()) {
     module_system->Require("webView");
     module_system->Require("webViewApiMethods");
     module_system->Require("webViewAttributes");
+
+    if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+            ::switches::kSitePerProcess)) {
+      module_system->Require("webViewIframe");
+    }
   }
 
   // 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