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

ui/views/controls/textfield/native_textfield_views.cc

Index: ui/views/controls/textfield/native_textfield_views.cc
diff --git a/ui/views/controls/textfield/native_textfield_views.cc b/ui/views/controls/textfield/native_textfield_views.cc
index f1cdf261e24841aa9c3d12e0d0d5f5e667413bef..80474c9bfe33bed55326790a43b30348415267ff 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -37,7 +37,6 @@
 #include "ui/views/controls/textfield/textfield_views_model.h"
 #include "ui/views/ime/input_method.h"
 #include "ui/views/metrics.h"
-#include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 #include "unicode/uchar.h"
 
@@ -586,8 +585,8 @@ bool NativeTextfieldViews::IsCommandIdEnabled(int command_id) const {
     case IDS_APP_COPY:
       return model_->HasSelection() && !textfield_->IsObscured();
     case IDS_APP_PASTE:
-      ViewsDelegate::views_delegate->GetClipboard()
-          ->ReadText(ui::Clipboard::BUFFER_STANDARD, &result);
+      ui::Clipboard::GetForCurrentThread()->ReadText(
+          ui::Clipboard::BUFFER_STANDARD, &result);
       return editable && !result.empty();
     case IDS_APP_DELETE:
       return editable && model_->HasSelection();