Fix InputConnection.deleteSurroundingText()

third_party/WebKit/Source/core/editing/InputMethodController.h

Index: third_party/WebKit/Source/core/editing/InputMethodController.h
diff --git a/third_party/WebKit/Source/core/editing/InputMethodController.h b/third_party/WebKit/Source/core/editing/InputMethodController.h
index 6fa0f53ad6796074e7553f067e890995761287b9..e743592e11945929fac9f98966c1d07360cc3809 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.h
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.h
@@ -31,6 +31,7 @@
 #include "core/editing/CompositionUnderline.h"
 #include "core/editing/EphemeralRange.h"
 #include "core/editing/PlainTextRange.h"
+#include "core/editing/Position.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Vector.h"
 
@@ -79,6 +80,7 @@ public:
     // Returns true if setting selection to specified offsets, otherwise false.
     bool setEditableSelectionOffsets(const PlainTextRange&);
     void extendSelectionAndDelete(int before, int after);
+    void deleteSurroundingText(size_t before, size_t after);
 
 private:
     class SelectionOffsetsScope {