Add WebRange test for explicit empty ranges creation.

third_party/WebKit/Source/web/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
@@ skipping 346 matching lines @@
     "tests/VisualViewportTest.cpp",
     "tests/WebDocumentSubresourceFilterTest.cpp",
     "tests/WebDocumentTest.cpp",
     "tests/WebFrameSerializerTest.cpp",
     "tests/WebFrameTest.cpp",
     "tests/WebHelperPluginTest.cpp",
     "tests/WebImageTest.cpp",
     "tests/WebInputEventConversionTest.cpp",
     "tests/WebMeaningfulLayoutsTest.cpp",
     "tests/WebPluginContainerTest.cpp",
+    "tests/WebRangeTest.cpp",
     "tests/WebScopedWindowFocusAllowedIndicatorTest.cpp",
     "tests/WebSearchableFormDataTest.cpp",
     "tests/WebSelectorTest.cpp",
     "tests/WebURLRequestTest.cpp",
     "tests/WebURLResponseTest.cpp",
     "tests/WebUserGestureTokenTest.cpp",
     "tests/WebViewTest.cpp",
     "tests/sim/SimCanvas.cpp",
     "tests/sim/SimCanvas.h",
     "tests/sim/SimCompositor.cpp",
@@ skipping 45 matching lines @@
 
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/public/android:content_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }