Factor out a perf test result printer method.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index c3f2552ad2322e5031eb0d2d3148560861883837..baa17516b267edc5909243ff71ef20e4f69432e0 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -2462,7 +2462,8 @@
         'browser/webdata/web_data_service_win.cc',
         'browser/webdata/web_intents_table.cc',
         'browser/webdata/web_intents_table.h',
-        # These files are needed by page_cycler.cc
+        # These files are needed by page_cycler.cc and performance_monitor.cc.
+        # This dependency should be removed: crbug.com/280157, crbug.com/279660
         'test/base/test_switches.cc',
         'test/base/test_switches.h',
         'test/base/chrome_process_util.cc',
@@ -2493,6 +2494,8 @@
             '../components/components.gyp:navigation_interception',
             '../net/net.gyp:net_with_v8',
             '../printing/printing.gyp:printing',
+            # TODO(tonyg): Remove this dependency (crbug.com/280157).
+            '../testing/perf/perf_test.gyp:*',
             '../third_party/adobe/flash/flash_player.gyp:flapper_version_h',
             '../third_party/expat/expat.gyp:expat',
             '../third_party/hunspell/hunspell.gyp:hunspell',