Update from https://crrev.com/317530

cc/layers/scrollbar_layer_unittest.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 "base/containers/hash_tables.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/layers/scrollbar_layer_interface.h"
@@ skipping 155 matching lines @@
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   LayerImpl* layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
       layer_tree_host_.get(), scrollbar.Pass(), false, false, 0, 0);
   PaintedScrollbarLayerImpl* scrollbar_layer_impl =
       static_cast<PaintedScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[1]);
 
   // When the scrollbar is not an overlay scrollbar, the scroll should be
   // responded to on the main thread as the compositor does not yet implement
   // scrollbar scrolling.
-  EXPECT_EQ(InputHandler::ScrollOnMainThread,
-            scrollbar_layer_impl->TryScroll(
-                gfx::Point(0, 0), InputHandler::Gesture, ScrollBlocksOnNone));
+  EXPECT_EQ(
+      InputHandler::SCROLL_ON_MAIN_THREAD,
+      scrollbar_layer_impl->TryScroll(gfx::Point(0, 0), InputHandler::GESTURE,
+                                      SCROLL_BLOCKS_ON_NONE));
 
   // Create and attach an overlay scrollbar.
   scrollbar.reset(new FakeScrollbar(false, false, true));
 
   layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
       layer_tree_host_.get(), scrollbar.Pass(), false, false, 0, 0);
   scrollbar_layer_impl = static_cast<PaintedScrollbarLayerImpl*>(
       layer_impl_tree_root->children()[1]);
 
   // The user shouldn't be able to drag an overlay scrollbar and the scroll
   // may be handled in the compositor.
-  EXPECT_EQ(InputHandler::ScrollIgnored,
-            scrollbar_layer_impl->TryScroll(
-                gfx::Point(0, 0), InputHandler::Gesture, ScrollBlocksOnNone));
+  EXPECT_EQ(
+      InputHandler::SCROLL_IGNORED,
+      scrollbar_layer_impl->TryScroll(gfx::Point(0, 0), InputHandler::GESTURE,
+                                      SCROLL_BLOCKS_ON_NONE));
 }
 
 TEST_F(ScrollbarLayerTest, ScrollOffsetSynchronization) {
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   scoped_refptr<Layer> layer_tree_root = Layer::Create();
   scoped_refptr<Layer> scroll_layer = Layer::Create();
   scoped_refptr<Layer> content_layer = Layer::Create();
   scoped_refptr<Layer> scrollbar_layer =
       PaintedScrollbarLayer::Create(scrollbar.Pass(), layer_tree_root->id());
 
@@ skipping 852 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc