[cc] Remove remaining_frames from BeginFrameAck.

services/ui/ws/frame_generator_unittest.cc

 // Copyright 2017 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 "services/ui/ws/frame_generator.h"
 
 #include "base/macros.h"
 #include "cc/output/compositor_frame_sink.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/test/begin_frame_args_test.cc"
@@ skipping 225 matching lines @@
   EXPECT_EQ(1, NumberOfFramesReceived());
 
   // Verify that the CompositorFrame refers to the window manager's surface via
   // referenced_surfaces.
   const cc::CompositorFrameMetadata& last_metadata = LastMetadata();
   const std::vector<cc::SurfaceId>& referenced_surfaces =
       last_metadata.referenced_surfaces;
   EXPECT_EQ(1lu, referenced_surfaces.size());
   EXPECT_EQ(kArbitrarySurfaceId, referenced_surfaces.front());
 
-  cc::BeginFrameAck expected_ack(0, 2, 2, 0, true);
+  cc::BeginFrameAck expected_ack(0, 2, 2, true);
   EXPECT_EQ(expected_ack, LastBeginFrameAck());
   EXPECT_EQ(expected_ack, last_metadata.begin_frame_ack);
 
   // FrameGenerator stops requesting BeginFrames after submitting a
   // CompositorFrame.
   IssueBeginFrame();
   EXPECT_EQ(1, NumberOfFramesReceived());
   EXPECT_EQ(expected_ack, LastBeginFrameAck());
 }
 
@@ skipping 86 matching lines @@
   InitWithSurfaceInfo();
 
   frame_generator()->OnWindowDamaged();
   IssueBeginFrame();
   EXPECT_EQ(2, NumberOfFramesReceived());
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui