Change how ui::Clipboard is accessed so there's only one per thread.

ui/views/controls/textfield/textfield_views_model.cc

Index: ui/views/controls/textfield/textfield_views_model.cc
diff --git a/ui/views/controls/textfield/textfield_views_model.cc b/ui/views/controls/textfield/textfield_views_model.cc
index d51e417e874a6bdfaa55b2d4d019c5c8c90b8196..8787debbdbcebf1463c2ff4cc139c3386f44494a 100644
--- a/ui/views/controls/textfield/textfield_views_model.cc
+++ b/ui/views/controls/textfield/textfield_views_model.cc
@@ -511,7 +511,7 @@ bool TextfieldViewsModel::Redo() {
 bool TextfieldViewsModel::Cut() {
   if (!HasCompositionText() && HasSelection() && !render_text_->is_obscured()) {
     ui::ScopedClipboardWriter(
-        views::ViewsDelegate::views_delegate->GetClipboard(),
+        ui::Clipboard::GetForCurrentThread(),
         ui::Clipboard::BUFFER_STANDARD).WriteText(GetSelectedText());
     // A trick to let undo/redo handle cursor correctly.
     // Undoing CUT moves the cursor to the end of the change rather
@@ -529,7 +529,7 @@ bool TextfieldViewsModel::Cut() {
 bool TextfieldViewsModel::Copy() {
   if (!HasCompositionText() && HasSelection() && !render_text_->is_obscured()) {
     ui::ScopedClipboardWriter(
-        views::ViewsDelegate::views_delegate->GetClipboard(),
+        ui::Clipboard::GetForCurrentThread(),
         ui::Clipboard::BUFFER_STANDARD).WriteText(GetSelectedText());
     return true;
   }
@@ -538,7 +538,7 @@ bool TextfieldViewsModel::Copy() {
 
 bool TextfieldViewsModel::Paste() {
   string16 result;
-  views::ViewsDelegate::views_delegate->GetClipboard()
+  ui::Clipboard::GetForCurrentThread()
       ->ReadText(ui::Clipboard::BUFFER_STANDARD, &result);
   if (!result.empty()) {
     InsertTextInternal(result, false);