Change SelectionStartEnd() returning values instead of assigning into ref args.

third_party/WebKit/Source/core/page/TouchAdjustment.cpp

Index: third_party/WebKit/Source/core/page/TouchAdjustment.cpp
diff --git a/third_party/WebKit/Source/core/page/TouchAdjustment.cpp b/third_party/WebKit/Source/core/page/TouchAdjustment.cpp
index ba1b7cc8ae7350fb63fef4dce64f2eeccb399525..0be208dda782dfc2478adcf87a214aa919c5d846 100644
--- a/third_party/WebKit/Source/core/page/TouchAdjustment.cpp
+++ b/third_party/WebKit/Source/core/page/TouchAdjustment.cpp
@@ -212,15 +212,15 @@ static inline void AppendContextSubtargetsForNode(
         end_pos = text_layout_object->TextLength();
         break;
       case SelectionStart:
-        text_layout_object->SelectionStartEnd(start_pos, end_pos);
+        std::tie(start_pos, end_pos) = text_layout_object->SelectionStartEnd();
         end_pos = text_layout_object->TextLength();
         break;
       case SelectionEnd:
-        text_layout_object->SelectionStartEnd(start_pos, end_pos);
+        std::tie(start_pos, end_pos) = text_layout_object->SelectionStartEnd();
         start_pos = 0;
         break;
       case SelectionBoth:
-        text_layout_object->SelectionStartEnd(start_pos, end_pos);
+        std::tie(start_pos, end_pos) = text_layout_object->SelectionStartEnd();
         break;
       default:
         ASSERT_NOT_REACHED();