[Telemetry] Add a page set option to use all cold page loads.

tools/telemetry/telemetry/page/page_runner.py

Index: tools/telemetry/telemetry/page/page_runner.py
diff --git a/tools/telemetry/telemetry/page/page_runner.py b/tools/telemetry/telemetry/page/page_runner.py
index 8f5aec0924f4edc3d07eb61f7d60ac47ae603188..22f4ba65b5bd58504df03b3c2378b65d2d83705e 100644
--- a/tools/telemetry/telemetry/page/page_runner.py
+++ b/tools/telemetry/telemetry/page/page_runner.py
@@ -142,6 +142,10 @@ class PageRunner(object):
               self._RunPage(options, page, state.tab, test,
                             results_for_current_run)
               self._CheckThermalThrottling(state.browser.platform)
+              if options.cold_page_loads:

[nduca, 2013/06/06 22:49:04]

i'm a little confused about how you're saying clearing cache implies a close of
connections. That doesn't feel orthogonal to me. Why not close connections
always and cache if requested by the page?

[tonyg, 2013/06/20 02:42:29]

Good point. Fixed.

+                state.browser.ClearCache()
+              else:
+                state.browser.CloseConnections()
             except exceptions.TabCrashException:
               stdout = ''
               if not options.show_stdout:
@@ -233,7 +237,6 @@ class PageRunner(object):
     try:
       self._PreparePage(page, tab, page_state, test, results)
       test.Run(options, page, tab, results)
-      util.CloseConnections(tab)
     except page_test.Failure:
       logging.warning('%s:\n%s', page.url, traceback.format_exc())
       results.AddFailure(page, sys.exc_info())