Remove unused multiline attribute in textfield

views/controls/textfield/textfield.cc

Index: views/controls/textfield/textfield.cc
diff --git a/views/controls/textfield/textfield.cc b/views/controls/textfield/textfield.cc
index c2bc1288fedce19c2eb80cf796579fbb8bef72fb..6f2edd5ebd6fd90cd77365a59b0d0d7dcc26954a 100644
--- a/views/controls/textfield/textfield.cc
+++ b/views/controls/textfield/textfield.cc
@@ -51,7 +51,6 @@ Textfield::Textfield()
       use_default_text_color_(true),
       background_color_(SK_ColorWHITE),
       use_default_background_color_(true),
-      num_lines_(1),
       initialized_(false),
       horizontal_margins_were_set_(false),
       vertical_margins_were_set_(false) {
@@ -69,7 +68,6 @@ Textfield::Textfield(StyleFlags style)
       use_default_text_color_(true),
       background_color_(SK_ColorWHITE),
       use_default_background_color_(true),
-      num_lines_(1),
       initialized_(false),
       horizontal_margins_were_set_(false),
       vertical_margins_were_set_(false) {
@@ -109,10 +107,6 @@ void Textfield::SetPassword(bool password) {
     native_wrapper_->UpdateIsPassword();
 }
 
-bool Textfield::IsMultiLine() const {
-  return !!(style_ & STYLE_MULTILINE);
-}
-
 void Textfield::SetText(const string16& text) {
   text_ = text;
   if (native_wrapper_)
@@ -197,12 +191,6 @@ void Textfield::SetVerticalMargins(int top, int bottom) {
   PreferredSizeChanged();
 }
 
-void Textfield::SetHeightInLines(int num_lines) {
-  DCHECK(IsMultiLine());
-  num_lines_ = num_lines;
-  PreferredSizeChanged();
-}
-
 void Textfield::RemoveBorder() {
   if (!draw_border_)
     return;
@@ -313,8 +301,7 @@ gfx::Size Textfield::GetPreferredSize() {
   if (draw_border_ && native_wrapper_)
     insets = native_wrapper_->CalculateInsets();
   return gfx::Size(font_.GetExpectedTextWidth(default_width_in_chars_) +
-                       insets.width(),
-                   num_lines_ * font_.GetHeight() + insets.height());
+                       insets.width(), font_.GetHeight() + insets.height());
 }
 
 bool Textfield::IsFocusable() const {