Selection API: type attribute should return 'Range' for range-selection in text controls.

third_party/WebKit/Source/core/editing/SelectionTemplate.cpp

 // Copyright 2016 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/SelectionTemplate.h"
 
 #include <ostream>  // NOLINT
 #include "platform/wtf/Assertions.h"
 
 namespace blink {
@@ skipping 64 matching lines @@
 }
 
 template <typename Strategy>
 const PositionTemplate<Strategy>& SelectionTemplate<Strategy>::Extent() const {
   DCHECK(AssertValid());
   DCHECK(!extent_.IsOrphan()) << extent_;
   return extent_;
 }
 
 template <typename Strategy>
+bool SelectionTemplate<Strategy>::IsCaret() const {
+  return base_.IsNotNull() && base_ == extent_ &&
+         granularity_ == kCharacterGranularity;
+}
+
+template <typename Strategy>
+bool SelectionTemplate<Strategy>::IsRange() const {
+  return base_ != extent_ ||
+         (base_.IsNotNull() && granularity_ != kCharacterGranularity);
+}
+
+template <typename Strategy>
 bool SelectionTemplate<Strategy>::AssertValidFor(
     const Document& document) const {
   if (!AssertValid())
     return false;
   if (base_.IsNull())
     return true;
   DCHECK_EQ(base_.GetDocument(), document) << *this;
   return true;
 }
 
@@ skipping 229 matching lines @@
     bool is_handle_visible) {
   selection_.is_handle_visible_ = is_handle_visible;
   return *this;
 }
 
 template class CORE_TEMPLATE_EXPORT SelectionTemplate<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT
     SelectionTemplate<EditingInFlatTreeStrategy>;
 
 }  // namespace blink