Revert "Fix Omnibox.CharTypedToRepaintLatency regression with D3DVsync experiment"

cc/scheduler/begin_frame_source_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/scheduler/begin_frame_source.h"
 
 #include <stdint.h>
 
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "cc/test/begin_frame_source_test.h"
 #include "cc/test/scheduler_test_common.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::NiceMock;
-using testing::_;
 
 namespace cc {
 namespace {
 
 // BeginFrameSource testing ----------------------------------------------------
 TEST(BeginFrameSourceTest, SourceIdsAreUnique) {
   StubBeginFrameSource source1;
   StubBeginFrameSource source2;
   StubBeginFrameSource source3;
   EXPECT_NE(source1.source_id(), source2.source_id());
@@ skipping 538 matching lines @@
 
   // Providing same args through a different ExternalBeginFrameSource also does
   // not notify observer.
   EXPECT_BEGIN_FRAME_SOURCE_PAUSED(*obs_, false);
   EXPECT_CALL((*client_), OnNeedsBeginFrames(true)).Times(1);
   ExternalBeginFrameSource source2(client_.get());
   source2.AddObserver(obs_.get());
   source2.OnBeginFrame(args);
 }
 
-// https://crbug.com/730218: Avoid DCHECK crash in
-// ExternalBeginFrameSource::GetMissedBeginFrameArgs.
-TEST_F(ExternalBeginFrameSourceTest, GetMissedBeginFrameArgs) {
-  BeginFrameArgs args = CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, 0,
-                                                       2, 10000, 10100, 100);
-  source_->OnBeginFrame(args);
-
-  EXPECT_BEGIN_FRAME_SOURCE_PAUSED(*obs_, false);
-  EXPECT_BEGIN_FRAME_USED_MISSED(*obs_, 0, 2, 10000, 10100, 100);
-  source_->AddObserver(obs_.get());
-  source_->RemoveObserver(obs_.get());
-
-  // Out of order frame_time. This might not be valid but still shouldn't
-  // cause a DCHECK in ExternalBeginFrameSource code.
-  args = CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, 0, 2, 9999, 10100,
-                                        101);
-  source_->OnBeginFrame(args);
-
-  EXPECT_CALL((*client_), OnNeedsBeginFrames(true)).Times(1);
-  EXPECT_BEGIN_FRAME_SOURCE_PAUSED(*obs_, false);
-  EXPECT_CALL(*obs_, OnBeginFrame(_)).Times(0);
-  source_->AddObserver(obs_.get());
-}
-
 }  // namespace
 }  // namespace cc