Implement onCompleted event for the webNavigation API

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1199 matching lines @@
   // Notifies the browser that we have session history information.
   // page_id: unique ID that allows us to distinguish between history entries.
   IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
                       int32 /* page_id */,
                       std::string /* state */)
 
   // Notifies the browser that a document has been loaded in a frame.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentLoadedInFrame,
                       long long /* frame_id */)
 
+  // Notifies the browser that a frame finished loading.
+  IPC_MESSAGE_ROUTED1(ViewHostMsg_DidFinishLoad,
+                      long long /* frame_id */)
+
   // Changes the title for the page in the UI when the page is navigated or the
   // title changes.
   // TODO(darin): use a UTF-8 string to reduce data size
   IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTitle, int32, std::wstring)
 
   // Changes the icon url for the page in the UI.
   IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateIconURL, int32, GURL)
 
   // Change the encoding name of the page in UI when the page has detected
   // proper encoding name.
@@ skipping 1828 matching lines @@
                               base::PlatformFileInfo, /* info */
                               base::PlatformFileError /* error_code */)
 
   // Get the directory's contents.
   IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_PepperGetDirContents,
                               FilePath /* path */,
                               PepperDirContents, /* contents */
                               base::PlatformFileError /* error_code */)
 
 IPC_END_MESSAGES(ViewHost)