re-use WebUIs

content/common/view_messages.h

 // Copyright (c) 2012 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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 1369 matching lines @@
 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStartLoading)
 
 // Sent when the renderer is done loading a page. This corresponds to WebKit's
 // notion of the throbber stopping.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopLoading)
 
 // Sent when the renderer main frame has made progress loading.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeLoadProgress,
                     double /* load_progress */)
 
-// Sent when the document element is available for a frame.  This
+// Sent when the document element is available for the top-level frame.  This
 // happens after the page starts loading, but before all resources are
 // finished.
-IPC_MESSAGE_ROUTED2(ViewHostMsg_DocumentAvailableInFrame,
-                    bool /* true if it is the main frame */,
-                    GURL /* frame_source_url */)
+IPC_MESSAGE_ROUTED0(ViewHostMsg_DocumentAvailableInMainFrame)
 
 // Sent when after the onload handler has been invoked for the document
-// in the toplevel frame.
+// in the top-level frame.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentOnLoadCompletedInMainFrame,
                     int32 /* page_id */)
 
 // Sent when the renderer loads a resource from its memory cache.
 // The security info is non empty if the resource was originally loaded over
 // a secure connection.
 // Note: May only be sent once per URL per frame per committed load.
 IPC_MESSAGE_ROUTED4(ViewHostMsg_DidLoadResourceFromMemoryCache,
                     GURL /* url */,
                     std::string  /* security info */,
@@ skipping 595 matching lines @@
                     int  /* automation_id */)
 
 // Sent to the browser when the renderer detects it is blocked on a pepper
 // plugin message for too long. This is also sent when it becomes unhung
 // (according to the value of is_hung). The browser can give the user the
 // option of killing the plugin.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_PepperPluginHung,
                     int /* plugin_child_id */,
                     FilePath /* path */,
                     bool /* is_hung */)