Saving content will prefer to retrieve the data out of the HTTP cache for GETs.
For example, if the current tab is navigated to a JPEG and the user chooses "Save Page As" from the wrench menu, the data will be retrieved from cache without validation even if Cache-Control: no-cache is specified.
BUG=32246,55551,94574
TEST=DownloadTest.SavePageNonHTMLViaGet
Review URL: http://codereview.chromium.org/
9178029
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@119538 0039d316-1c4b-4281-b951-d872f2087c98