Prevent needless vertical margin change.

views/controls/textfield/native_textfield_gtk.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <gtk/gtk.h>
 
 #include "views/controls/textfield/native_textfield_gtk.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 281 matching lines @@
 }
 
 void NativeTextfieldGtk::SetHorizontalMargins(int left, int right) {
   if (!native_view())
     return;
   if (textfield_->IsMultiLine()) {
     GtkTextView* text_view = GTK_TEXT_VIEW(native_view());
     gtk_text_view_set_left_margin(text_view, left);
     gtk_text_view_set_right_margin(text_view, right);
   } else {
-    GtkBorder border = { left, right, 0, 0 };
+    gfx::Insets insets = GetEntryInnerBorder(GTK_ENTRY(native_view()));
+    GtkBorder border = {left, right, insets.top(), insets.bottom()};
     gtk_entry_set_inner_border(GTK_ENTRY(native_view()), &border);
   }
 }
 
 void NativeTextfieldGtk::SetFocus() {
   Focus();
 }
 
 View* NativeTextfieldGtk::GetView() {
   return this;
@@ skipping 78 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTextfieldWrapper, public:
 
 // static
 NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
     Textfield* field) {
   return new NativeTextfieldGtk(field);
 }
 
 }  // namespace views