Remove cc's MainThreadScrollingReason::kEventHandlers

cc/trees/layer_tree_host_unittest_scroll.cc

 // Copyright 2012 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 "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 1192 matching lines @@
 class LayerTreeHostScrollTestImplScrollUnderMainThreadScrollingParent
     : public LayerTreeHostScrollTest {
  public:
   LayerTreeHostScrollTestImplScrollUnderMainThreadScrollingParent() {}
 
   void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
   void SetupTree() override {
     LayerTreeHostScrollTest::SetupTree();
     layer_tree()->inner_viewport_scroll_layer()->AddMainThreadScrollingReasons(
-        MainThreadScrollingReason::kEventHandlers);
+        MainThreadScrollingReason::kNonFastScrollableRegion);
   }
 
   void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
     LayerImpl* inner_scroll_layer = impl->InnerViewportScrollLayer();
     LayerImpl* outer_scroll_layer = impl->OuterViewportScrollLayer();
 
     ScrollTree& scroll_tree =
         impl->active_tree()->property_trees()->scroll_tree;
     ScrollNode* inner_scroll_node =
         scroll_tree.Node(inner_scroll_layer->scroll_tree_index());
     ScrollNode* outer_scroll_node =
         scroll_tree.Node(outer_scroll_layer->scroll_tree_index());
 
     InputHandler::ScrollStatus status =
         impl->TryScroll(gfx::PointF(1.f, 1.f), InputHandler::TOUCHSCREEN,
                         scroll_tree, inner_scroll_node);
     EXPECT_EQ(InputHandler::SCROLL_ON_MAIN_THREAD, status.thread);
-    EXPECT_EQ(MainThreadScrollingReason::kEventHandlers,
+    EXPECT_EQ(MainThreadScrollingReason::kNonFastScrollableRegion,
               status.main_thread_scrolling_reasons);
 
     status = impl->TryScroll(gfx::PointF(1.f, 1.f), InputHandler::TOUCHSCREEN,
                              scroll_tree, outer_scroll_node);
     EXPECT_EQ(InputHandler::SCROLL_ON_IMPL_THREAD, status.thread);
     EXPECT_EQ(MainThreadScrollingReason::kNotScrollingOnMain,
               status.main_thread_scrolling_reasons);
     EndTest();
   }
 
@@ skipping 731 matching lines @@
 
   const gfx::Vector2dF elastic_overscroll_test_cases_[5] = {
       gfx::Vector2dF(0, 0), gfx::Vector2dF(5, 10), gfx::Vector2dF(5, 5),
       gfx::Vector2dF(-4, -5), gfx::Vector2dF(0, 0)};
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostScrollTestElasticOverscroll);
 
 }  // namespace
 }  // namespace cc