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 61653f2e4bb10791e9c466b62f9ad4886b742cbb..bad3d9ed3ca9cc2621759ccd934657edf3e20352 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -283,7 +283,6 @@ void FrameSelection::setSelectionAlgorithm(const VisibleSelectionTemplate<Strate
     if (m_selectionEditor->visibleSelection<Strategy>() == s) {
         // Even if selection was not changed, selection offsets may have been
         // changed.
-        m_frame->inputMethodController().cancelCompositionIfSelectionIsInvalid();
         notifyLayoutObjectOfSelectionChange(userTriggered);
         return;
     }
@@ -330,10 +329,9 @@ void FrameSelection::setSelectionAlgorithm(const VisibleSelectionTemplate<Strate
     // 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(oldSelectionInDOMTree, options);
     if (userTriggered == UserTriggered) {
         ScrollAlignment alignment;