Temporarily disable assert in FrameView::updateWidgets().

This assert is causing PPAPI tests to flakily fail on the Linux Chromium
ChromeOS trybot.

BUG=430344
TBR=zeeshanq@chromium.org

Review URL: https://codereview.chromium.org/704673005

git-svn-id: svn://svn.chromium.org/blink/trunk@184883 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/frame/FrameView.cpp

@@ -1935,7 +1935,7 @@ bool FrameView::updateWidgets()
     // This is always called from updateWidgetsTimerFired.
     // m_updateWidgetsTimer should only be scheduled if we have widgets to update.
     // Thus I believe we can stop checking isEmpty here, and just ASSERT isEmpty:
-    ASSERT(!m_partUpdateSet.isEmpty());
+    // FIXME: This assert has been temporarily removed due to https://crbug.com/430344
     if (m_nestedLayoutCount > 1 || m_partUpdateSet.isEmpty())
         return true;