Added HTTP DELETE request type to content:URLFetcher.

BUG=chromium-os:24126
TEST=none
Review URL: http://codereview.chromium.org/8898016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@114295 0039d316-1c4b-4281-b951-d872f2087c98

content/common/net/url_fetcher_impl.cc

@@ -814,6 +814,10 @@ void URLFetcherImpl::Core::StartURLRequest() {
       request_->set_method("HEAD");
       break;
 
+    case DELETE_REQUEST:
+      request_->set_method("DELETE");
+      break;
+
     default:
       NOTREACHED();
   }

content/public/common/url_fetcher.h

@@ -74,6 +74,8 @@ class CONTENT_EXPORT URLFetcher {
     GET,
     POST,
     HEAD,
+    DELETE_REQUEST,   // DELETE is already taken on Windows.
+                      // <winnt.h> defines a DELETE macro.
   };
 
   // |url| is the URL to send the request to.