Remove SendBeginFramesToChildren plumbing

cc/trees/layer_tree_host_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/trees/layer_tree_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 4794 matching lines @@
   std::vector<BeginFrameArgs> impl_frame_args_;
   int will_begin_impl_frame_count_;
 };
 
 // TODO(mithro): Re-enable the multi-threaded version of this test
 // http://crbug.com/537621
 // SINGLE_AND_MULTI_THREAD_TEST_F(
 //    LayerTreeHostTestBeginMainFrameTimeIsAlsoImplTime);
 SINGLE_THREAD_TEST_F(LayerTreeHostTestBeginMainFrameTimeIsAlsoImplTime);
 
-class LayerTreeHostTestSendBeginFramesToChildren : public LayerTreeHostTest {
- public:
-  LayerTreeHostTestSendBeginFramesToChildren()
-      : begin_frame_sent_to_children_(false) {
-  }
-
-  void BeginTest() override {
-    // Kick off the test with a commit.
-    PostSetNeedsCommitToMainThread();
-  }
-
-  void SendBeginFramesToChildren(const BeginFrameArgs& args) override {
-    begin_frame_sent_to_children_ = true;
-    EndTest();
-  }
-
-  void DidBeginMainFrame() override {
-    // Children requested BeginFrames.
-    layer_tree_host()->SetChildrenNeedBeginFrames(true);
-  }
-
-  void AfterTest() override {
-    // Ensure that BeginFrame message is sent to children during parent
-    // scheduler handles its BeginFrame.
-    EXPECT_TRUE(begin_frame_sent_to_children_);
-  }
-
- private:
-  bool begin_frame_sent_to_children_;
-};
-
-SINGLE_THREAD_TEST_F(LayerTreeHostTestSendBeginFramesToChildren);
-
-class LayerTreeHostTestSendBeginFramesToChildrenWithExternalBFS
-    : public LayerTreeHostTest {
- public:
-  LayerTreeHostTestSendBeginFramesToChildrenWithExternalBFS()
-      : begin_frame_sent_to_children_(false) {
-  }
-
-  void InitializeSettings(LayerTreeSettings* settings) override {
-    settings->use_external_begin_frame_source = true;
-  }
-
-  void BeginTest() override {
-    // Kick off the test with a commit.
-    PostSetNeedsCommitToMainThread();
-  }
-
-  void SendBeginFramesToChildren(const BeginFrameArgs& args) override {
-    begin_frame_sent_to_children_ = true;
-    EndTest();
-  }
-
-  void DidBeginMainFrame() override {
-    // Children requested BeginFrames.
-    layer_tree_host()->SetChildrenNeedBeginFrames(true);
-  }
-
-  void AfterTest() override {
-    // Ensure that BeginFrame message is sent to children during parent
-    // scheduler handles its BeginFrame.
-    EXPECT_TRUE(begin_frame_sent_to_children_);
-  }
-
- private:
-  bool begin_frame_sent_to_children_;
-};
-
-SINGLE_THREAD_TEST_F(LayerTreeHostTestSendBeginFramesToChildrenWithExternalBFS);
-
 class LayerTreeHostTestActivateOnInvisible : public LayerTreeHostTest {
  public:
   LayerTreeHostTestActivateOnInvisible()
       : activation_count_(0), visible_(true) {}
 
   void BeginTest() override {
     // Kick off the test with a commit.
     PostSetNeedsCommitToMainThread();
   }
 
@@ skipping 1571 matching lines @@
     EndTest();
   }
 
   void AfterTest() override {}
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestPaintedDeviceScaleFactor);
 
 }  // namespace
 }  // namespace cc