[InputEvent] Introduce |StaticRange| and use in |InputEvent::getRanges()|

third_party/WebKit/Source/core/events/InputEvent.h

 // 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.
 
 #ifndef InputEvent_h
 #define InputEvent_h
 
+#include "core/dom/StaticRange.h"
 #include "core/events/InputEventInit.h"
 #include "core/events/UIEvent.h"
 
 namespace blink {
 
-class Range;
-
 class InputEvent final : public UIEvent {
     DEFINE_WRAPPERTYPEINFO();
 
 public:
     static InputEvent* create()
     {
         return new InputEvent;
     }
 
     static InputEvent* create(const AtomicString& type, const InputEventInit& initializer)
@@ skipping 24 matching lines @@
         IsComposing = true,
     };
 
     static InputEvent* createBeforeInput(InputType, const String& data, EventCancelable, EventIsComposing, const RangeVector*);
 
     String inputType() const;
     const String& data() const { return m_data; }
     bool isComposing() const { return m_isComposing; }
     // Returns a copy of target ranges during event dispatch, and returns an empty
     // vector after dispatch.
-    // TODO(chongz): Return Vector<StaticRange>.
-    HeapVector<Member<Range>> getRanges() const { return m_ranges; };
+    StaticRangeVector getRanges() const;
 
     bool isInputEvent() const override;
 
     EventDispatchMediator* createMediator() override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     friend class InputEventDispatchMediator;
     InputEvent();
@@ skipping 15 matching lines @@
     explicit InputEventDispatchMediator(InputEvent*);
     InputEvent& event() const;
     DispatchEventResult dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(InputEvent);
 
 } // namespace blink
 
 #endif // InputEvent_h