Remove DrMemory suppressions and test exclusions.

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

Index: tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory.txt
diff --git a/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory.txt b/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory.txt
deleted file mode 100644
index a722b064526966c1c0cc2d1aacb56b7646f6d020..0000000000000000000000000000000000000000
--- a/tools/valgrind/gtest_exclude/content_browsertests.gtest-drmemory.txt
+++ /dev/null
@@ -1,77 +0,0 @@
-# http://crbug.com/293125
-WebRtcBrowserTest.CanMakeEmptyCallThenAddStreamsAndRenegotiate
-
-# crbug.com/395172
-WebRtcBrowserTest.CanForwardRemoteStream
-WebRtcBrowserTest.CanForwardRemoteStream720p
-
-# crbug.com/399289
-WebRtcBrowserTest.NoCrashWhenConnectChromiumSinkToRemoteTrack
-
-# crbug.com/400490
-PluginTest.OpenPopupWindowWithPlugin
-PluginTest.PluginSingleRangeRequest
-PluginTest.PluginThreadAsyncCall
-PluginTest.PrivateDisabled
-PluginTest.ScheduleTimer
-PluginTest.SelfDelete*
-
-# crbug.com/419396
-WebRtcBrowserTest.CallWithDataAndMedia
-
-# http://crbug.com/456131
-BrowserSideNavigationBrowserTest.BrowserInitiatedNavigations
-BrowserSideNavigationBrowserTest.FailedNavigation
-
-# http://crbug.com/464029
-WebRtcBrowserTest.CallAndModifyStream
-
-# http://crbug.com/470507
-SRC_ClearKey/EncryptedMediaTest.Playback_VideoClearAudio_WebM/0
-
-# http://crbug.com/500070
-DumpAccessibilityEventsTest.AccessibilityEventsListboxNext
-
-# https://crbug.com/500576
-NavigationControllerBrowserTest.DontIgnoreBackAfterNavEntryLimit
-
-# https://crbug.com/504186
-WebRtcBrowserTest.CallInsideIframe
-
-# https://crbug.com/536881
-IndexedDBBrowserTest.DiskFullOnCommit
-
-# https://crbug.com/571264
-WebRtcMediaRecorderTest.MediaRecorderPausePreventsDataavailableFromBeingFired
-
-# https://crbug.com/571548
-RenderWidgetHostViewAuraCopyRequestTest.DedupeFrameSubscriberRequests
-
-# https://crbug.com/577796
-WebRtcMediaRecorderTest.MediaRecorderPeerConnection
-
-# https://crbug.com/592320
-SitePerProcessBrowserTest.SubframeGestureEventRouting
-
-# https://crbug.com/603337
-SingleProcessMemoryTracingTest.ManyInterleavedDumps
-SingleProcessMemoryTracingTest.RendererInitiatedSingleDump
-
-# https://crbug.com/608081
-SitePerProcessBrowserTest.NavigateRemoteFrameToBlankAndDataURLs
-SitePerProcessBrowserTest.RFPHDestruction
-
-# https://crbug.com/608117
-WebRtcDataChannelTest.DataChannelGC
-
-# https://crbug.com/611557
-FindRequestManagerTest.RapidFire
-
-# https://crbug.com/614466
-IFrameZoomBrowserTest.SubframesDontZoomIndependently
-
-# https://crbug.com/614470
-DumpAccessibilityEventsTest.AccessibilityEventsMenuListFocus
-
-# https://crbug.com/617727
-VibrationTest.CancelVibrationFromMainFrameWhenMainFrameIsReloaded