[InputEvent] Add null check before converting Range to StaticRange

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

Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
index 329a39f1c9581c2f1db41206430ce4bd50b8a298..334c6e74659019cc3cbbd7852cc4ecd23cadc981 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -2081,12 +2081,14 @@ bool isTextSecurityNode(const Node* node) {
 const StaticRangeVector* targetRangesForInputEvent(const Node& node) {
   if (!hasRichlyEditableStyle(node))
     return nullptr;
-  return new StaticRangeVector(
-      1, StaticRange::create(
-             firstRangeOf(node.document()
-                              .frame()
-                              ->selection()
-                              .computeVisibleSelectionInDOMTreeDeprecated())));
+  Range* range = createRange(
+      firstEphemeralRangeOf(node.document()
+                                .frame()
+                                ->selection()
+                                .computeVisibleSelectionInDOMTreeDeprecated()));
+  if (!range)
+    return nullptr;
+  return new StaticRangeVector(1, StaticRange::create(range));
 }
 
 DispatchEventResult dispatchBeforeInputInsertText(Node* target,