Remove DrMemory suppressions and test exclusions.

tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt

Index: tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt
diff --git a/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt b/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt
deleted file mode 100644
index 301a498130adefe773eadf54e9e3537c66a25a72..0000000000000000000000000000000000000000
--- a/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory_win32.txt
+++ /dev/null
@@ -1,75 +0,0 @@
-# crbug.com/389132
-WebRtcAecDumpBrowserTest.*WithAecDump*
-
-# crbug.com/448876
-ScreenOrientationBrowserTest.LockSmoke
-
-# crbug.com/450217
-DumpAccessibilityTreeTest.AccessibilityIframeCoordinates
-
-# https://github.com/DynamoRIO/drmemory/issues/1528
-# Un-analyzed test failures:
-DeviceSensorBrowserTest.MotionNullTestWithAlert
-DeviceSensorBrowserTest.OrientationNullTestWithAlert
-DumpAccessibilityEventsTest.AccessibilityEventsMenuListNext
-File/MediaTest.VideoTulipWebm/0
-Http/MediaTest.VideoBearTheora/0
-Http/MediaTest.VideoTulipWebm/0
-IndexedDBBrowserTest.DeleteCompactsBackingStore
-MSE_ClearKey/EncryptedMediaTest.FrameSizeChangeVideo/0
-MSE_ClearKey/EncryptedMediaTest.Playback_VideoAudio_WebM/0
-OutOfProcessPPAPITest.MediaStreamAudioTrack
-OutOfProcessPPAPITest.NetworkProxy
-OutOfProcessPPAPITest.VideoDecoder
-RenderViewImplTest.DontIgnoreBackAfterNavEntryLimit
-RenderViewImplTest.ReloadWhileSwappedOut
-RenderViewImplTest.SendSwapOutACK
-RenderViewImplTest.StaleNavigationsIgnored
-RenderFrameHostManagerTest.RestoreFileAccessForHistoryNavigation
-RenderFrameHostManagerTest.RestoreSubframeFileAccessForHistoryNavigation
-ResourceFetcherTests.ResourceFetcher404
-ResourceFetcherTests.ResourceFetcherDidFail
-ResourceFetcherTests.ResourceFetcherDownload
-ResourceFetcherTests.ResourceFetcherPost
-ResourceFetcherTests.ResourceFetcherSetHeader
-SitePerProcessBrowserTest.CrashSubframe
-SitePerProcessBrowserTest.RenderViewHostPendingDeletionIsNotReused
-SRC_ClearKey/EncryptedMediaTest.FrameSizeChangeVideo/0
-SRC_ClearKey/EncryptedMediaTest.Playback_AudioClearVideo_WebM/0
-SRC_ClearKey/EncryptedMediaTest.Playback_VideoAudio_WebM/0
-WebContentsViewAuraTest.WebContentsViewReparent
-WebRtcBrowserDataTest.CallWithDataOnly
-WebRtcBrowserDataTest.CallWithSctpDataAndMedia
-WebRtcBrowserDataTest.CallWithSctpDataOnly
-WebRtcBrowserDataTest.CanSetupLegacyCall
-WebRtcBrowserTest.CallAndVerifyVideoMutingWorks
-WebRtcBrowserTest.CallWithAecDump
-WebRtcBrowserTest.CallWithAecDumpEnabledThenDisabled
-WebRtcBrowserTest.CallWithNewVideoMediaStream
-WebRtcBrowserTest.CanSetupAudioAndVideoCall
-WebRtcBrowserTest.CanSetupAudioAndVideoCallWithoutMsidAndBundle
-WebRtcBrowserTest.CanSetupDefaultVideoCall
-WebRtcBrowserTest.CanSetupVideoCallAndDisableLocalVideo
-WebRtcBrowserTest.CanSetupVideoCallWith16To9AspectRatio
-WebRtcBrowserTest.CanSetupVideoCallWith1To1AspectRatio
-WebRtcBrowserTest.CanSetupVideoCallWith4To3AspectRatio
-WebRtcBrowserTest.NegotiateOfferWithBLine
-WebRtcBrowserTest.CanMakeAudioCallAndThenRenegotiateToVideo
-
-# https://crbug.com/480750
-*_ClearKey/EncryptedMediaTest.Playback_*
-
-# https://crbug.com/487501
-*/MediaTest.VideoBearSilentWebm/0
-
-# https://crbug.com/505714
-NaClBrowserTestGLibc.PPAPICore
-
-# https://crbug.com/589174
-WebContentsImplBrowserTest.SetTitleOnUnload
-
-# https://crbug.com/621466
-CrossSiteTransferTest.PostWithFileData
-
-# https://crbug.com/622387
-DumpAccessibilityTreeTest.AccessibilityIframeTransform