Update uses of TimeDelta in chrome_frame/*.

chrome_frame/test/perf/chrome_frame_perftest.cc

Index: chrome_frame/test/perf/chrome_frame_perftest.cc
diff --git a/chrome_frame/test/perf/chrome_frame_perftest.cc b/chrome_frame/test/perf/chrome_frame_perftest.cc
index d6421b2a4c14ecc31dbfa795a380c0e0947aaf58..aef66e662f2e3fb2351a39ae1ad8928eb992cd1c 100644
--- a/chrome_frame/test/perf/chrome_frame_perftest.cc
+++ b/chrome_frame/test/perf/chrome_frame_perftest.cc
@@ -340,7 +340,7 @@ class ChromeFrameStartupTest : public ChromeFramePerfTestBase {
 
       // TODO(beng): Can't shut down so quickly. Figure out why, and fix. If we
       // do, we crash.
-      base::PlatformThread::Sleep(50);
+      base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50));
     }
 
     std::string times;
@@ -833,7 +833,7 @@ class ChromeFrameActiveXMemoryTest : public MemoryTestBase {
     PrintResults(test_name_.c_str());
 
     CoFreeUnusedLibraries();
-    base::PlatformThread::Sleep(100);
+    base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(100));
   }
 
   void NavigateImpl(const std::string& url) {