app_list: Paint background for app item title.

ui/app_list/app_list_constants.cc

Index: ui/app_list/app_list_constants.cc
diff --git a/content/public/browser/browser_main_parts.cc b/ui/app_list/app_list_constants.cc
similarity index 52%
copy from content/public/browser/browser_main_parts.cc
copy to ui/app_list/app_list_constants.cc
index 1394fc13a0623562af4dcc47281e66a6354c7803..2d7e7651678fee5083583a220e76f1eee5c5bdb5 100644
--- a/content/public/browser/browser_main_parts.cc
+++ b/ui/app_list/app_list_constants.cc
@@ -2,16 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/public/browser/browser_main_parts.h"
+#include "ui/app_list/app_list_constants.h"
 
-namespace content {
+namespace app_list {
 
-int BrowserMainParts::PreCreateThreads() {
-  return 0;
-}
+const SkColor kContentsBackgroundColor = SkColorSetRGB(0xF5, 0xF5, 0xF5);
 
-bool BrowserMainParts::MainMessageLoopRun(int* result_code) {
-  return false;
-}
-
-}  // namespace content
+}  // namespace app_list