Remove code path that passes a file handle to the renderer...

chrome/common/resource_dispatcher.cc

Index: chrome/common/resource_dispatcher.cc
===================================================================
--- chrome/common/resource_dispatcher.cc	(revision 17048)
+++ chrome/common/resource_dispatcher.cc	(working copy)
@@ -294,29 +294,6 @@
   return true;
 }
 
-void ResourceDispatcher::OnDownloadProgress(
-    const IPC::Message& message, int request_id, int64 position, int64 size) {
-  PendingRequestList::iterator it = pending_requests_.find(request_id);
-  if (it == pending_requests_.end()) {
-     DLOG(WARNING) << "Got download progress for a nonexistant or "
-         " finished requests";
-     return;
-  }
-
-  PendingRequestInfo& request_info = it->second;
-
-  RESOURCE_LOG("Dispatching download progress for " <<
-               request_info.peer->GetURLForDebugging());
-  request_info.peer->OnDownloadProgress(position, size);
-
-  // Send the ACK message back.
-  IPC::Message::Sender* sender = message_sender();
-  if (sender) {
-    sender->Send(
-        new ViewHostMsg_DownloadProgress_ACK(message.routing_id(), request_id));
-  }
-}
-
 void ResourceDispatcher::OnUploadProgress(
     const IPC::Message& message, int request_id, int64 position, int64 size) {
   PendingRequestList::iterator it = pending_requests_.find(request_id);
@@ -504,7 +481,6 @@
 void ResourceDispatcher::DispatchMessage(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(ResourceDispatcher, message)
     IPC_MESSAGE_HANDLER(ViewMsg_Resource_UploadProgress, OnUploadProgress)
-    IPC_MESSAGE_HANDLER(ViewMsg_Resource_DownloadProgress, OnDownloadProgress)
     IPC_MESSAGE_HANDLER(ViewMsg_Resource_ReceivedResponse, OnReceivedResponse)
     IPC_MESSAGE_HANDLER(ViewMsg_Resource_ReceivedRedirect, OnReceivedRedirect)
     IPC_MESSAGE_HANDLER(ViewMsg_Resource_DataReceived, OnReceivedData)
@@ -559,7 +535,6 @@
 bool ResourceDispatcher::IsResourceDispatcherMessage(
     const IPC::Message& message) {
   switch (message.type()) {
-    case ViewMsg_Resource_DownloadProgress::ID:
     case ViewMsg_Resource_UploadProgress::ID:
     case ViewMsg_Resource_ReceivedResponse::ID:
     case ViewMsg_Resource_ReceivedRedirect::ID: