Reland r46681: Use IPC to wait for download in DownloadTest.

Add AutomationMsg_WaitForDownloadShelfVisibilityChange and use it in UITestBase for the download tests.

This should decrease flakiness of download tests.

TEST=DownloadTest.*, especially DownloadTest.[Dont]CloseNewTab*
BUG=43066

Review URL: http://codereview.chromium.org/2051002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46909 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/chrome/test/automation/browser_proxy.cc b/chrome/test/automation/browser_proxy.cc
index 1b275d8..6456cec 100644
--- a/chrome/test/automation/browser_proxy.cc
+++ b/chrome/test/automation/browser_proxy.cc
@@ -398,6 +398,19 @@ bool BrowserProxy::SetShelfVisible(bool is_visible) {
                                                             is_visible));
 }
 
+bool BrowserProxy::WaitForDownloadShelfVisibilityChange(bool visibility) {
+  if (!is_valid())
+    return false;
+
+  bool result = false;
+
+  if (!sender_->Send(new AutomationMsg_WaitForDownloadShelfVisibilityChange(
+      0, handle_, visibility, &result)))
+    return false;
+
+  return result;
+}
+
 bool BrowserProxy::SetIntPreference(const std::wstring& name, int value) {
   if (!is_valid())
     return false;