UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 YaBrowser/17.11.1.768 Yowser/2.5 Safari/537.36

Steps to reproduce the problem:
run test browser_tests.BrowsingDataRemoverBrowserTest.Cache several times

What is the expected behavior?

What went wrong?
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from BrowsingDataRemoverBrowserTest, where TypeParam = 
[ RUN      ] BrowsingDataRemoverBrowserTest.Cache
[25126:25126:1211/140829.800374:WARNING:password_store_factory.cc(241)] Using basic (unencrypted) store for password storage. See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_password_storage.md for more information about password storage options.
[25126:25173:1211/140830.047957:WARNING:histograms.cc(40)] Started multiple compositor clients (Browser, Renderer) in one process. Some metrics will be disabled.
[25126:25146:1211/140830.482556:WARNING:simple_synchronous_entry.cc(1170)] Could not open platform files for entry.
[25126:25191:1211/140830.639564:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
[25126:25191:1211/140830.881605:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
[25126:25173:1211/140830.986546:ERROR:render_process_impl.cc(194)] WebFrame LEAKED 1 TIMES
[25126:25126:1211/140830.999610:INFO:chrome_cryptauth_service.cc(233)] Profile is not authenticated yet; waiting before starting CryptAuth managers.
[25126:25155:1211/140831.109698:WARNING:discardable_shared_memory_manager.cc(435)] Some MojoDiscardableSharedMemoryManagerImpls are still alive. They will be leaked.
[25126:25126:1211/140831.122616:WARNING:url_request_context_getter.cc(43)] URLRequestContextGetter leaking due to no owning thread.
Note: Google Test filter = BrowsingDataRemoverBrowserTest.Cache
../../chrome/browser/browsing_data/browsing_data_remover_browsertest.cc:383: Failure
Expected equality of these values:
  new_size
    Which is: 512
  GetCacheSize()
    Which is: 1024
[  FAILED  ] BrowsingDataRemoverBrowserTest.Cache, where TypeParam =  and GetParam() =  (2424 ms)
[----------] 1 test from BrowsingDataRemoverBrowserTest (2424 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (2424 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] BrowsingDataRemoverBrowserTest.Cache, where TypeParam =  and GetParam() = 

 1 FAILED TEST

Did this work before? N/A 

Chrome version: 65.0.3289.0 (Developer Build)  Channel: n/a
OS Version: Ubuntu 16.04
Flash Version: 

Test doesn't consider async favicon fetching after NavigateToURL.