Download resumption - Preliminary

chrome/browser/download/chrome_download_manager_delegate.cc

Index: chrome/browser/download/chrome_download_manager_delegate.cc
diff --git a/chrome/browser/download/chrome_download_manager_delegate.cc b/chrome/browser/download/chrome_download_manager_delegate.cc
index 1da347f4fff4e5fb4b05ac40c092487582a3865f..da68dfec785b423c161db47c138e2063392a144a 100644
--- a/chrome/browser/download/chrome_download_manager_delegate.cc
+++ b/chrome/browser/download/chrome_download_manager_delegate.cc
@@ -251,6 +251,22 @@ FilePath ChromeDownloadManagerDelegate::GetIntermediatePath(
   return dir.Append(file_name);
 }
 
+int64 ChromeDownloadManagerDelegate::GetIntermediateFileLength(

[benjhayden, 2012/10/15 17:59:37]

Could this move to download_utils?

+    const FilePath& path, bool temporary) {
+  // Get the intermediate file name.
+  FilePath crpath = path;
+
+  if (!temporary)
+    crpath = download_util::GetCrDownloadPath(path);
+
+  // Validate the start offset.
+  int64 end = 0;
+  if (file_util::GetFileSize(crpath, &end))
+    return end;
+
+  return 0;
+}
+
 WebContents* ChromeDownloadManagerDelegate::
     GetAlternativeWebContentsToNotifyForDownload() {
 #if defined(OS_ANDROID)