DevTools & WebTiming : Migrate from PassiveLogCollector to dedicated LoadTimingObserver.

Review URL: http://codereview.chromium.org/2909016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52634 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index d9175e6..1d77ffd 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1848,6 +1848,8 @@
         'browser/net/connection_tester.h',
         'browser/net/gaia/token_service.cc',
         'browser/net/gaia/token_service.h',
+        'browser/net/load_timing_observer.cc',
+        'browser/net/load_timing_observer.h',
         'browser/net/metadata_url_request.cc',
         'browser/net/metadata_url_request.h',
         'browser/net/passive_log_collector.cc',