Introduce new async IPC message to get file icons

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 491 matching lines @@
   IPC_MESSAGE_ROUTED0(ViewMsg_InstallMissingPlugin)
 
   // Tells the renderer to empty its plugin list cache, optional reloading
   // pages containing plugins.
   IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
                        bool /* reload_pages */)
 
   IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
                       std::vector<FilePath> /* selected files */)
 
+  IPC_MESSAGE_ROUTED2(ViewMsg_ChooseIconForFilesResponse,
+                      int /* ID passed in ViewHostMsg_ChooseIconForFiles() */,
+                      /* An icon for the selected files in PNG */
+                      std::vector<unsigned char>)
+
   // Used to instruct the RenderView to go into "view source" mode.
   IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 
   // Retreive information from the MSAA DOM subtree, for accessibility purposes.
   IPC_SYNC_MESSAGE_ROUTED1_1(ViewMsg_GetAccessibilityInfo,
                              webkit_glue::WebAccessibility::InParams
                              /* input parameters */,
                              webkit_glue::WebAccessibility::OutParams
                              /* output parameters */)
 
@@ skipping 911 matching lines @@
 
   // Notification that the text selection has changed.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionChanged,
                       std::string /* currently selected text */)
 
   // Asks the browser to display the file chooser.  The result is returned in a
   // ViewHost_RunFileChooserResponse message.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
                       ViewHostMsg_RunFileChooser_Params)
 
+  // Requests to load an icon for the specified files, and return the icon
+  // in a ViewHost_ChooseIconForFilesResponse message.
+  IPC_MESSAGE_ROUTED2(ViewHostMsg_ChooseIconForFiles,
+                      int /* Request identifier */,
+                      std::vector<FilePath> /* file names */)
+
   // Notification that forms have been seen that are candidates for
   // filling/submitting by the AutoFillManager.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_FormsSeen,
                       std::vector<webkit_glue::FormData> /* forms */)
 
   // Notification that password forms have been seen that are candidates for
   // filling/submitting by the password manager.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_PasswordFormsFound,
                       std::vector<webkit_glue::PasswordForm> /* forms */)
 
@@ skipping 885 matching lines @@
                        int /* render_view_id */,
                        int /* bridge_id */)
 
   // The |render_view_id| and |bridge_id| requests Geolocation service to
   // resume.
   IPC_MESSAGE_CONTROL2(ViewHostMsg_Geolocation_Resume,
                        int /* render_view_id */,
                        int /* bridge_id */)
 
 IPC_END_MESSAGES(ViewHost)