Define class names for views class in c/b/ui/views

chrome/browser/ui/views/toolbar/back_button.cc

Index: chrome/browser/ui/views/toolbar/back_button.cc
diff --git a/chrome/browser/ui/views/toolbar/back_button.cc b/chrome/browser/ui/views/toolbar/back_button.cc
index 1bfc743190a31294571ece5b25b68e64cf90221a..54c6f2f988420906f69c52044461e5474815a742 100644
--- a/chrome/browser/ui/views/toolbar/back_button.cc
+++ b/chrome/browser/ui/views/toolbar/back_button.cc
@@ -15,12 +15,6 @@ BackButton::BackButton(views::ButtonListener* listener,
 
 BackButton::~BackButton() {}
 
-gfx::Rect BackButton::GetThemePaintRect() const  {
-  gfx::Rect rect(LabelButton::GetThemePaintRect());
-  rect.Inset(margin_leading_, 0, 0, 0);
-  return rect;
-}
-
 void BackButton::SetLeadingMargin(int margin) {
   margin_leading_ = margin;
 
@@ -37,6 +31,10 @@ void BackButton::SetLeadingMargin(int margin) {
   InvalidateLayout();
 }
 
+const char* BackButton::GetClassName() const {
+  return "BackButton";
+}
+
 scoped_ptr<views::LabelButtonBorder> BackButton::CreateDefaultBorder() const {
   scoped_ptr<views::LabelButtonBorder> border =
       ToolbarButton::CreateDefaultBorder();
@@ -50,3 +48,10 @@ scoped_ptr<views::LabelButtonBorder> BackButton::CreateDefaultBorder() const {
 
   return border.Pass();
 }
+
+gfx::Rect BackButton::GetThemePaintRect() const  {
+  gfx::Rect rect(LabelButton::GetThemePaintRect());
+  rect.Inset(margin_leading_, 0, 0, 0);
+  return rect;
+}
+