Use IPC to wait for download in DownloadTest.

chrome/browser/history/multipart_uitest.cc

Index: chrome/browser/history/multipart_uitest.cc
diff --git a/chrome/browser/history/multipart_uitest.cc b/chrome/browser/history/multipart_uitest.cc
index 7f8688fce5cafb275d0934b9a857932d61cb6170..9a50fe3c8ffe08d698ce710f702d5d8ff6e5879d 100644
--- a/chrome/browser/history/multipart_uitest.cc
+++ b/chrome/browser/history/multipart_uitest.cc
@@ -15,11 +15,16 @@ namespace {
 class MultipartResponseUITest : public UITest {
 };
 
-#if defined(NDEBUG)
 // http://code.google.com/p/chromium/issues/detail?id=37746
 // Running this test only for release builds as it fails in debug test
 // runs
-TEST_F(MultipartResponseUITest, SingleVisit) {
+#if defined(NDEBUG)
+#define MAYBE_SingleVisit SingleVisit
+#else
+#define MAYBE_SingleVisit DISABLED_SingleVisit
+#endif
+
+TEST_F(MultipartResponseUITest, MAYBE_SingleVisit) {
   // Make sure that visiting a multipart/x-mixed-replace site only
   // creates one entry in the visits table.
   const wchar_t kDocRoot[] = L"chrome/test/data";
@@ -56,6 +61,5 @@ TEST_F(MultipartResponseUITest, SingleVisit) {
   }
   db.Close();
 }
-#endif
 
 }  // namespace