Use scroll customization primitives for touch scrolling (behind REF).

Source/core/page/scrolling/ScrollStateTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/page/scrolling/ScrollState.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include <gtest/gtest.h>
@@ skipping 45 matching lines @@
 {
     RefPtrWillBeRawPtr<ScrollState> scrollState =
         ScrollState::create(0, 0, 0, 0, 0, false, false);
     RefPtrWillBeRawPtr<Element> element = Element::create(
         QualifiedName::null(), Document::create().get());
     scrollState->setCurrentNativeScrollingElement(element.get());
 
     EXPECT_EQ(element, scrollState->currentNativeScrollingElement());
 }
 
+TEST_F(ScrollStateTest, FullyConsumed)
+{
+    RefPtrWillBeRawPtr<ScrollState> scrollStateBegin =
+        ScrollState::create(0, 0, 0, 0, 0, false, true, false);
+    RefPtrWillBeRawPtr<ScrollState> scrollState =
+        ScrollState::create(0, 0, 0, 0, 0, false, false, false);
+    RefPtrWillBeRawPtr<ScrollState> scrollStateEnd =
+        ScrollState::create(0, 0, 0, 0, 0, false, false, true);
+    EXPECT_FALSE(scrollStateBegin->fullyConsumed());
+    EXPECT_TRUE(scrollState->fullyConsumed());
+    EXPECT_FALSE(scrollStateEnd->fullyConsumed());
 }
+
+}