Update screen locker UI to match webui login

chrome/browser/chromeos/login/background_view.cc

Index: chrome/browser/chromeos/login/background_view.cc
diff --git a/chrome/browser/chromeos/login/background_view.cc b/chrome/browser/chromeos/login/background_view.cc
index 6b3871e5dee480ad0ba93d49c754d8e888426db1..80f2bc80e49eca846f9e51ed3054b3bd168ca0cf 100644
--- a/chrome/browser/chromeos/login/background_view.cc
+++ b/chrome/browser/chromeos/login/background_view.cc
@@ -12,7 +12,6 @@
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/chromeos/login/oobe_progress_bar.h"
 #include "chrome/browser/chromeos/login/proxy_settings_dialog.h"
@@ -48,6 +47,9 @@ namespace {
 
 const SkColor kVersionColor = 0xff5c739f;
 
+// Tentative background color that matches WebUI login.
+const SkColor kBackgroundColor = 0xfff0f0f0;
+
 // Returns the corresponding step id for step constant.
 int GetStepId(size_t step) {
   switch (step) {
@@ -94,8 +96,8 @@ BackgroundView::~BackgroundView() {
 }
 
 void BackgroundView::Init(const GURL& background_url) {
-  views::Painter* painter = CreateBackgroundPainter();
-  set_background(views::Background::CreateBackgroundPainter(true, painter));
+  set_background(
+      views::Background::CreateSolidBackground(kBackgroundColor));
   InitStatusArea();
   InitInfoLabels();
   if (!background_url.is_empty()) {