Remove calls to IsRunningSequenceOnCurrentThread() in wallpaper API.

components/wallpaper/wallpaper_manager_base.cc

 // Copyright 2014 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 "components/wallpaper/wallpaper_manager_base.h"
 
 #include <numeric>
 #include <vector>
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
+#include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "base/threading/worker_pool.h"
 #include "base/time/time.h"
 #include "base/values.h"
@@ skipping 33 matching lines @@
 // Default wallpaper load delay, milliseconds.
 const unsigned kLoadDefaultDelayMs = 200;
 
 // Maximum wallpaper load delay, milliseconds.
 const unsigned kLoadMaxDelayMs = 2000;
 
 // When no wallpaper image is specified, the screen is filled with a solid
 // color.
 const SkColor kDefaultWallpaperColor = SK_ColorGRAY;
 
+#if DCHECK_IS_ON()
+base::LazyInstance<base::SequenceChecker>::Leaky g_wallpaper_sequence_checker =
+    LAZY_INSTANCE_INITIALIZER;
+#endif
+
 // The path ids for directories.
 int dir_user_data_path_id = -1;            // chrome::DIR_USER_DATA
 int dir_chromeos_wallpapers_path_id = -1;  // chrome::DIR_CHROMEOS_WALLPAPERS
 int dir_chromeos_custom_wallpapers_path_id =
     -1;  // chrome::DIR_CHROMEOS_CUSTOM_WALLPAPERS
 
 bool MoveCustomWallpaperDirectory(const char* sub_dir,
                                   const std::string& from_name,
                                   const std::string& to_name) {
   base::FilePath base_path =
@@ skipping 75 matching lines @@
                              const base::Time& in_date)
     : location(in_location),
       layout(in_layout),
       type(in_type),
       date(in_date) {
 }
 
 WallpaperInfo::~WallpaperInfo() {
 }
 
+void AssertCalledOnWallpaperSequence() {
+#if DCHECK_IS_ON()
+  DCHECK(g_wallpaper_sequence_checker.Get().CalledOnValidSequence());
+#endif
+}
+
 const char kWallpaperSequenceTokenName[] = "wallpaper-sequence";
 
 const char kSmallWallpaperSuffix[] = "_small";
 const char kLargeWallpaperSuffix[] = "_large";
 
 const char kSmallWallpaperSubDir[] = "small";
 const char kLargeWallpaperSubDir[] = "large";
 const char kOriginalWallpaperSubDir[] = "original";
 const char kThumbnailWallpaperSubDir[] = "thumb";
 
@@ skipping 837 matching lines @@
 void WallpaperManagerBase::CreateSolidDefaultWallpaper() {
   loaded_wallpapers_for_test_++;
   SkBitmap bitmap;
   bitmap.allocN32Pixels(1, 1);
   bitmap.eraseColor(kDefaultWallpaperColor);
   const gfx::ImageSkia image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
   default_wallpaper_image_.reset(new user_manager::UserImage(image));
 }
 
 }  // namespace wallpaper