Revert 121031 - Eliminate DownloadProgressUpdated.

content/browser/download/download_manager_impl.cc

Index: content/browser/download/download_manager_impl.cc
===================================================================
--- content/browser/download/download_manager_impl.cc	(revision 121040)
+++ content/browser/download/download_manager_impl.cc	(working copy)
@@ -450,6 +450,7 @@
            << " download = " << download->DebugString(true);
 
   in_progress_[download_id] = download;
+  UpdateDownloadProgress();  // Reflect entry into in_progress_.
 
   // Rename to intermediate name.
   FilePath download_path;
@@ -496,6 +497,7 @@
     DownloadItem* download = it->second;
     if (download->IsInProgress()) {
       download->UpdateProgress(bytes_so_far, bytes_per_sec, hash_state);
+      UpdateDownloadProgress();  // Reflect size updates.
       delegate_->UpdateItemInPersistentStore(download);
     }
   }
@@ -609,6 +611,7 @@
 
   // Remove the id from in_progress
   in_progress_.erase(download->GetId());
+  UpdateDownloadProgress();  // Reflect removal from in_progress_.
 
   delegate_->UpdateItemInPersistentStore(download);
 
@@ -725,6 +728,7 @@
   if (download->GetDbHandle() != DownloadItem::kUninitializedHandle) {
     in_progress_.erase(download->GetId());
     active_downloads_.erase(download->GetId());
+    UpdateDownloadProgress();  // Reflect removal from in_progress_.
     delegate_->UpdateItemInPersistentStore(download);
   }
 }
@@ -742,6 +746,10 @@
   delegate_ = delegate;
 }
 
+void DownloadManagerImpl::UpdateDownloadProgress() {
+  delegate_->DownloadProgressUpdated();
+}
+
 int DownloadManagerImpl::RemoveDownloadItems(
     const DownloadVector& pending_deletes) {
   if (pending_deletes.empty())