Focus and trail cursor on Views Textfield selection clipboard paste.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index ca39c99c49aac957362be449e6fbe36647eb69a9..b71994d54bba9fa897ec66c1e8a6926c96ed7ffc 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -1860,18 +1860,12 @@ void Textfield::PasteSelectionClipboard(const ui::MouseEvent& event) {
   base::string16 selection_clipboard_text = GetSelectionClipboardText();
   if (!selection_clipboard_text.empty()) {
     OnBeforeUserAction();
-    gfx::Range range = GetSelectionModel().selection();
-    gfx::LogicalCursorDirection affinity = GetSelectionModel().caret_affinity();
     const gfx::SelectionModel mouse =
         GetRenderText()->FindCursorPosition(event.location());
+    if (!HasFocus())
+      RequestFocus();
     model_->MoveCursorTo(mouse);
     model_->InsertText(selection_clipboard_text);
-    // Update the new selection range as needed.
-    if (range.GetMin() >= mouse.caret_pos()) {
-      const size_t length = selection_clipboard_text.length();
-      range = gfx::Range(range.start() + length, range.end() + length);
-    }
-    model_->MoveCursorTo(gfx::SelectionModel(range, affinity));
     UpdateAfterChange(true, true);
     OnAfterUserAction();
   }