[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 d73063fa545314227b75691fbe8b7ba98250a51a..4606c4af964710dfefade2a04922cae82b99fb55 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -2072,12 +2072,14 @@ 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 =

[yosin_UTC9, 2017/03/03 05:11:50]

We would like to do following after this patch:
- Please call updateLayoutIgnoringPendingStyleSheet() before L2703.
- Please use VisibleSelection::firstEphemeralRange()
- Please make StaticRange::create(const EphemeralRange&)

[chongz, 2017/03/03 15:53:50]

Sure, will create another patch.

+      firstRangeOf(node.document()
+                       .frame()
+                       ->selection()
+                       .computeVisibleSelectionInDOMTreeDeprecated());
+  if (!range)
+    return nullptr;
+  return new StaticRangeVector(1, StaticRange::create(range));
 }
 
 DispatchEventResult dispatchBeforeInputInsertText(Node* target,