[cc] Remove remaining_frames from BeginFrameAck.

cc/surfaces/direct_compositor_frame_sink_unittest.cc

Index: cc/surfaces/direct_compositor_frame_sink_unittest.cc
diff --git a/cc/surfaces/direct_compositor_frame_sink_unittest.cc b/cc/surfaces/direct_compositor_frame_sink_unittest.cc
index 0439ba917ffebaf4f0283d2f5a24077d233f36c7..b725fdcc4ea42214ab16968326391ba787a4d804 100644
--- a/cc/surfaces/direct_compositor_frame_sink_unittest.cc
+++ b/cc/surfaces/direct_compositor_frame_sink_unittest.cc
@@ -109,7 +109,7 @@ class DirectCompositorFrameSinkTest : public testing::Test {
     render_pass->SetNew(1, display_rect_, damage_rect, gfx::Transform());
 
     CompositorFrame frame;
-    frame.metadata.begin_frame_ack = BeginFrameAck(0, 1, 1, 0, true);
+    frame.metadata.begin_frame_ack = BeginFrameAck(0, 1, 1, true);
     frame.render_pass_list.push_back(std::move(render_pass));
 
     compositor_frame_sink_->SubmitCompositorFrame(std::move(frame));
@@ -195,7 +195,7 @@ class TestBeginFrameObserver : public BeginFrameObserverBase {
  private:
   bool OnBeginFrameDerivedImpl(const BeginFrameArgs& args) override {
     ack_ = BeginFrameAck(args.source_id, args.sequence_number,
-                         args.sequence_number, 0, false);
+                         args.sequence_number, false);
     return true;
   }
 
@@ -208,7 +208,7 @@ class TestBeginFrameObserver : public BeginFrameObserverBase {
 TEST_F(DirectCompositorFrameSinkTest, AcknowledgesBeginFramesWithDamage) {
   // Verify that the frame sink acknowledged the BeginFrame attached to
   // CompositorFrame submitted during SetUp().
-  EXPECT_EQ(BeginFrameAck(0, 1, 1, 0, true), begin_frame_source_->last_ack());
+  EXPECT_EQ(BeginFrameAck(0, 1, 1, true), begin_frame_source_->last_ack());
 }
 
 TEST_F(DirectCompositorFrameSinkTest, AcknowledgesBeginFramesWithoutDamage) {