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

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

Index: third_party/WebKit/Source/core/events/InputEvent.h
diff --git a/third_party/WebKit/Source/core/events/InputEvent.h b/third_party/WebKit/Source/core/events/InputEvent.h
index b16f476de889a3b9c5e99100004ff2ea44978437..35ee6dc19e47dbd96d4388160132d6b94ca42a45 100644
--- a/third_party/WebKit/Source/core/events/InputEvent.h
+++ b/third_party/WebKit/Source/core/events/InputEvent.h
@@ -5,13 +5,12 @@
 #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();
 
@@ -56,8 +55,7 @@ public:
     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;