Remove logic to reset input method more than needed

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

Index: third_party/WebKit/Source/core/editing/FrameSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.cpp b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
index 0238e0b185480ab4010b2ce338dc56d0336b45ea..82a4d8795fd05a07d2263bf606b2a7fd7119b6ff 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -212,7 +212,6 @@ void FrameSelection::setSelectionAlgorithm(
       m_handleVisibility == handleVisibility) {
     // Even if selection was not changed, selection offsets may have been
     // changed.
-    m_frame->inputMethodController().cancelCompositionIfSelectionIsInvalid();
     notifyLayoutObjectOfSelectionChange(userTriggered);
     return;
   }
@@ -262,10 +261,9 @@ void FrameSelection::setSelectionAlgorithm(
   // boundary, selection for the DOM tree is shrunk while that for the
   // flat tree is not. Additionally, this case occurs in some edge cases.
   // See also: editing/pasteboard/4076267-3.html
-  if (oldSelection == m_selectionEditor->visibleSelection<Strategy>()) {
-    m_frame->inputMethodController().cancelCompositionIfSelectionIsInvalid();
+  if (oldSelection == m_selectionEditor->visibleSelection<Strategy>())
     return;
-  }
+
   m_frame->editor().respondToChangedSelection(oldSelectionStart, options);
   if (userTriggered == UserTriggered) {
     ScrollAlignment alignment;