Rejigger ThemeService: move exposure of ThemeProvider interface to a

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 104e9669a2071c923a394aecf0805548c5dadd0a..a0821bdc4bcf39f9fbcf343fffcceb7bd9d2e98e 100644
--- a/chrome/browser/ui/views/toolbar/back_button.cc
+++ b/chrome/browser/ui/views/toolbar/back_button.cc
@@ -9,10 +9,10 @@
 #include "ui/views/controls/button/label_button_border.h"
 #include "ui/views/painter.h"
 
-BackButton::BackButton(views::ButtonListener* listener,
+BackButton::BackButton(Profile* profile,
+                       views::ButtonListener* listener,
                        ui::MenuModel* model)
-    : ToolbarButton(listener, model),
-      margin_leading_(0) {}
+    : ToolbarButton(profile, listener, model), margin_leading_(0) {}
 
 BackButton::~BackButton() {}