Add a path for a web page to request the enumeration of a directory. This, t...

chrome/common/render_messages_internal.h

Index: chrome/common/render_messages_internal.h
===================================================================
--- chrome/common/render_messages_internal.h	(revision 76768)
+++ chrome/common/render_messages_internal.h	(working copy)
@@ -569,6 +569,11 @@
 IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
                     std::vector<FilePath> /* selected files */)
 
+// Provides the results of directory enumeration.
+IPC_MESSAGE_ROUTED2(ViewMsg_EnumerateDirectoryResponse,
+                    int /* request_id */,
+                    std::vector<FilePath> /* files_in_directory */)
+
 // Used to instruct the RenderView to go into "view source" mode.
 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 
@@ -1654,6 +1659,14 @@
 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
                     ViewHostMsg_RunFileChooser_Params)
 
+// Asks the browser to enumerate a directory.  This is equivalent to running
+// the file chooser in directory-enumeration mode and having the user select
+// the given directory.  The result is returned in a
+// ViewHost_EnumerateDirectoryResponse message.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
+                    int /* request_id */,
+                    FilePath /* file_path */);
+
 // Used to tell the parent the user started dragging in the content area. The
 // WebDropData struct contains contextual information about the pieces of the
 // page the user dragged. The parent uses this notification to initiate a