Don't clear selection on focus change except for text form control element

Source/core/page/FocusController.cpp

Index: Source/core/page/FocusController.cpp
diff --git a/Source/core/page/FocusController.cpp b/Source/core/page/FocusController.cpp
index 3629d5ef3a7601f61ba064e4713743a39faccfe6..149ff8a87bca01cdc267d43e738c6569f5615562 100644
--- a/Source/core/page/FocusController.cpp
+++ b/Source/core/page/FocusController.cpp
@@ -665,17 +665,11 @@ static void clearSelectionIfNeeded(LocalFrame* oldFocusedFrame, LocalFrame* newF
     if (selectionStartNode == newFocusedNode || selectionStartNode->isDescendantOf(newFocusedNode))
         return;
 
-    if (selectionStartNode->isInShadowTree() && selectionStartNode->shadowHost() == newFocusedNode)
+    if (!enclosingTextFormControl(selectionStartNode))
         return;
 
-    if (Node* mousePressNode = newFocusedFrame->eventHandler().mousePressNode()) {
-        if (mousePressNode->renderer() && !mousePressNode->canStartSelection()) {
-            // Don't clear the selection for contentEditable elements, but do
-            // clear it for input and textarea. See bug 38696.
-            if (!enclosingTextFormControl(selection.start()))
-                return;
-        }
-    }
+    if (selectionStartNode->isInShadowTree() && selectionStartNode->shadowHost() == newFocusedNode)
+        return;
 
     selection.clear();
 }