CustomizationWallpaperDownloaderBrowserTest should also test multi-profile mode.

chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc

Index: chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc
diff --git a/chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc b/chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc
index 7bcb88de553969f37e49819c51f6f1aaf7ab75b9..d7421aa93dc536ad58bf692cbff65b59b92f1b36 100644
--- a/chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc
+++ b/chrome/browser/chromeos/customization_wallpaper_downloader_browsertest.cc
@@ -16,6 +16,7 @@
 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
 #include "chrome/browser/chromeos/login/wallpaper_manager_test_utils.h"
 #include "chrome/browser/google/google_url_tracker.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chromeos/chromeos_switches.h"
@@ -217,7 +218,8 @@ class WallpaperImageFetcherFactory {
 };
 
 class CustomizationWallpaperDownloaderBrowserTest
-    : public InProcessBrowserTest {
+    : public InProcessBrowserTest,
+      public testing::WithParamInterface<bool> {
  public:
   CustomizationWallpaperDownloaderBrowserTest()
       : controller_(NULL),
@@ -234,6 +236,8 @@ class CustomizationWallpaperDownloaderBrowserTest
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     command_line->AppendSwitch(chromeos::switches::kLoginManager);
     command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile, "user");
+    if (GetParam())
+      command_line->AppendSwitch(::switches::kMultiProfiles);
   }
 
   virtual void CleanUpOnMainThread() OVERRIDE { controller_ = NULL; }
@@ -258,7 +262,12 @@ class CustomizationWallpaperDownloaderBrowserTest
   DISALLOW_COPY_AND_ASSIGN(CustomizationWallpaperDownloaderBrowserTest);
 };
 
-IN_PROC_BROWSER_TEST_F(CustomizationWallpaperDownloaderBrowserTest,
+INSTANTIATE_TEST_CASE_P(
+    CustomizationWallpaperDownloaderBrowserTestInstantiation,
+    CustomizationWallpaperDownloaderBrowserTest,
+    testing::Bool());
+
+IN_PROC_BROWSER_TEST_P(CustomizationWallpaperDownloaderBrowserTest,
                        OEMWallpaperIsPresent) {
   CreateCmdlineWallpapers();
   WallpaperManager::Get()->SetDefaultWallpaperNow(std::string());
@@ -287,7 +296,7 @@ IN_PROC_BROWSER_TEST_F(CustomizationWallpaperDownloaderBrowserTest,
   EXPECT_EQ(1U, url_factory.num_attempts());
 }
 
-IN_PROC_BROWSER_TEST_F(CustomizationWallpaperDownloaderBrowserTest,
+IN_PROC_BROWSER_TEST_P(CustomizationWallpaperDownloaderBrowserTest,
                        OEMWallpaperRetryFetch) {
   CreateCmdlineWallpapers();
   WallpaperManager::Get()->SetDefaultWallpaperNow(std::string());