Add the RenderProcessHost::FastShutdownIfPossible calls to ContentBrowserTest that I removed in r14…

content/test/content_browser_test.cc

Index: content/test/content_browser_test.cc
===================================================================
--- content/test/content_browser_test.cc	(revision 148627)
+++ content/test/content_browser_test.cc	(working copy)
@@ -120,6 +120,11 @@
   pool.Recycle();
 #endif
 
+  for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
+       !i.IsAtEnd(); i.Advance()) {
+    i.GetCurrentValue()->FastShutdownIfPossible();
+  }
+
   Shell::CloseAllWindows();
 }