Version: Tip of master
OS: Android

What steps will reproduce the problem?
(1) Run DownloadTest#testHttpGetDownload on a device with test.gzip in its Downloads directory

What is the expected output?
success

What do you see instead?
C 1040.738s Main  [FAIL] org.chromium.chrome.browser.download.DownloadTest#testHttpGetDownload:
C 1040.738s Main  java.util.concurrent.TimeoutException: waitForCallback timed out!
C 1040.738s Main        at org.chromium.content.browser.test.util.CallbackHelper.waitForCallback(CallbackHelper.java:184)
C 1040.738s Main        at org.chromium.content.browser.test.util.CallbackHelper.waitForCallback(CallbackHelper.java:192)
C 1040.738s Main        at org.chromium.content.browser.test.util.CallbackHelper.waitForCallback(CallbackHelper.java:198)
C 1040.738s Main        at org.chromium.chrome.browser.download.DownloadTest.testHttpGetDownload(DownloadTest.java:71)
C 1040.738s Main        at android.test.InstrumentationTestCase.runMethod(InstrumentationTestCase.java:214)
C 1040.738s Main        at android.test.InstrumentationTestCase.runTest(InstrumentationTestCase.java:199)
C 1040.738s Main        at android.test.ActivityInstrumentationTestCase2.runTest(ActivityInstrumentationTestCase2.java:192)
C 1040.738s Main        at org.chromium.chrome.test.ChromeActivityTestCaseBase.runTest(ChromeActivityTestCaseBase.java:794)
C 1040.738s Main        at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1040.738s Main        at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1040.738s Main        at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1040.738s Main        at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1040.738s Main        at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:557)
C 1040.739s Main        at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1874)

Please use labels and text to provide additional information.
I don't have access to bugs 286315, 597230, and 415711 which all suppressed tests in this class.
May or may not be related.