[ActiveSuggestionMarker #1] Introduce abstract StyleableMarker subclass of DocumentMarker

third_party/WebKit/Source/core/editing/markers/CompositionMarkerTest.cpp

 // 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 "core/editing/markers/CompositionMarker.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 class CompositionMarkerTest : public ::testing::Test {};
 
 TEST_F(CompositionMarkerTest, MarkerType) {
   DocumentMarker* marker = new CompositionMarker(
-      0, 1, Color::kTransparent, CompositionMarker::Thickness::kThin,
+      0, 1, Color::kTransparent, StyleableMarker::Thickness::kThin,
       Color::kTransparent);
   EXPECT_EQ(DocumentMarker::kComposition, marker->GetType());
 }
 
+TEST_F(CompositionMarkerTest, IsStyleableMarker) {
+  DocumentMarker* marker = new CompositionMarker(
+      0, 1, Color::kTransparent, StyleableMarker::Thickness::kThin,
+      Color::kTransparent);
+  EXPECT_TRUE(IsStyleableMarker(*marker));
+}
+
 TEST_F(CompositionMarkerTest, ConstructorAndGetters) {
-  CompositionMarker* marker =
-      new CompositionMarker(0, 1, Color::kDarkGray,
-                            CompositionMarker::Thickness::kThin, Color::kGray);
+  CompositionMarker* marker = new CompositionMarker(
+      0, 1, Color::kDarkGray, StyleableMarker::Thickness::kThin, Color::kGray);
   EXPECT_EQ(Color::kDarkGray, marker->UnderlineColor());
   EXPECT_FALSE(marker->IsThick());
   EXPECT_EQ(Color::kGray, marker->BackgroundColor());
 
-  CompositionMarker* thick_marker =
-      new CompositionMarker(0, 1, Color::kDarkGray,
-                            CompositionMarker::Thickness::kThick, Color::kGray);
+  CompositionMarker* thick_marker = new CompositionMarker(
+      0, 1, Color::kDarkGray, StyleableMarker::Thickness::kThick, Color::kGray);
   EXPECT_EQ(true, thick_marker->IsThick());
 }
 
 }  // namespace blink