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

content/common/view_messages.h

Index: content/common/view_messages.h
===================================================================
--- content/common/view_messages.h	(revision 79702)
+++ content/common/view_messages.h	(working copy)
@@ -1028,6 +1028,11 @@
 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 */)
+
 // When a renderer sends a ViewHostMsg_Focus to the browser process,
 // the browser has the option of sending a ViewMsg_CantFocus back to
 // the renderer.
@@ -1640,6 +1645,14 @@
 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
+// ViewMsg_EnumerateDirectoryResponse message.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
+                    int /* request_id */,
+                    FilePath /* file_path */)
+
 // Tells the browser to move the focus to the next (previous if reverse is
 // true) focusable element.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus,