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"
@@ skipping 81 matching lines @@
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "third_party/mojo/src/mojo/public/js/constants.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "v8/include/v8.h"
+#include "extensions/common/guest_view/guest_view_messages.h"
+#include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 
 using base::UserMetricsAction;
 using blink::WebDataSource;
 using blink::WebDocument;
 using blink::WebFrame;
 using blink::WebScopedUserGesture;
 using blink::WebSecurityPolicy;
 using blink::WebString;
 using blink::WebVector;
 using blink::WebView;
@@ skipping 694 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(GuestViewMsg_ContentWindowReady,
+                              OnGuestContentWindowReady(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 309 matching lines @@
             extension->permissions_data()->GetEffectiveHostPermissions());
       }
     }
   }
 }
 
 void Dispatcher::OnUsingWebRequestAPI(bool webrequest_used) {
   webrequest_used_ = webrequest_used;
 }
 
+void Dispatcher::OnGuestContentWindowReady(const IPC::Message& message) {
+  GuestViewMsg_ContentWindowReady::Param param;
+  bool read_status = GuestViewMsg_ContentWindowReady::Read(&message, &param);
+  DCHECK(read_status);
+  int element_instance_id = get<0>(param);
+  ExtensionsGuestViewContainer* container =
+      ExtensionsGuestViewContainer::FromID(
+          element_instance_id);
+  DCHECK(container);
+  container->OnMessageReceived(message);
+}
+
 void Dispatcher::OnUserScriptsUpdated(
       const std::set<std::string>& changed_extensions,
       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 389 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions