Add debug to WallpaperManagerBrowserTest.DisplayChange test.

chrome/browser/chromeos/login/wallpaper_manager.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
 
 #include <numeric>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 807 matching lines @@
 WallpaperManager::GetAppropriateResolution() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   gfx::Size size =
       ash::DesktopBackgroundController::GetMaxDisplaySizeInNative();
   return (size.width() > kSmallWallpaperMaxWidth ||
           size.height() > kSmallWallpaperMaxHeight)
              ? WALLPAPER_RESOLUTION_LARGE
              : WALLPAPER_RESOLUTION_SMALL;
 }
 
+WallpaperManager::WallpaperResolution
+WallpaperManager::GetAppropriateResolutionForTesting() {
+  gfx::Size size =
+      ash::DesktopBackgroundController::GetMaxDisplaySizeInNative();
+  const WallpaperResolution result = (size.width() > kSmallWallpaperMaxWidth ||
+                                      size.height() > kSmallWallpaperMaxHeight)
+                                         ? WALLPAPER_RESOLUTION_LARGE
+                                         : WALLPAPER_RESOLUTION_SMALL;
+
+  LOG(ERROR) << "WallpaperManager::GetAppropriateResolution(): width()="
+             << size.width()
+             << " vs kSmallWallpaperMaxWidth=" << kSmallWallpaperMaxWidth
+             << ", height()=" << size.height()
+             << " vs kSmallWallpaperMaxHeight=" << kSmallWallpaperMaxHeight
+             << ", result = " << (result == WALLPAPER_RESOLUTION_LARGE
+                                      ? "WALLPAPER_RESOLUTION_LARGE"
+                                      : "WALLPAPER_RESOLUTION_SMALL");
+  return result;
+}
+
 void WallpaperManager::SetPolicyControlledWallpaper(
     const std::string& user_id,
     const UserImage& user_image) {
   const User *user = chromeos::UserManager::Get()->FindUser(user_id);
   if (!user) {
     NOTREACHED() << "Unknown user.";
     return;
   }
   SetCustomWallpaper(user_id,
                      user->username_hash(),
@@ skipping 1035 matching lines @@
     }
   }
 
   if (need_update_screen) {
     DoSetDefaultWallpaper(std::string(),
                           MovableOnDestroyCallbackHolder().Pass());
   }
 }
 
 }  // namespace chromeos